Chapter 119 - 119

Violet was both the person I loved the most in the world, and hated the deepest. Sometimes in quick succession, or even at the same time. That was sisters for you.

When she was being a cool big sis, she was the absolute best, my idol, my guide in life. When she was being shitty, she had me physically dominated and knew all the right buttons to press to make me feel inferior, or weird, or absolutely enraged.

She'd probably say similar things about me, if she'd ever admit them out loud.

I didn't even know what had happened exactly. We'd been drinking together, having a good time. Our parents even smiling at our antics, knowing that the two of us getting along was worth the price of us getting rowdy.

Then we'd been fighting. It had been bad. I couldn't even remember where it came from, only that I'd called her a fucking selfish slut--not true at all, but I knew it would hurt her--and she'd called me a stupid, arrogant, stuck-up virgin who no one would ever want anyway.

You know, sister things.

We'd both stormed to our rooms, and I at least had passed out before I had a chance to get over it or scheme any revenge. The latter notion took care of itself when I woke up with an absolutely miserable bladder. I'd started toward the bathroom, but a more evil mood came across me.

Violet was sound asleep, sprawled out in her bed in what did not at all appear to be a comfortable position. Her sheets and blanket were only partly covering as it was, and I twitched them back even further before standing above her, feet planted on her mattress to either side of her slumbering form.

My big sister had stripped down to just her panties for bed. I was jealous of how she looked while sleeping almost naked. I always ended up feeling like the dorky little sister around her. I might have chickened out then, except my fury burned up again at how Violet could be passed out in the most ungraceful way and still look hotter and more put together than me. It was bullshit.

I stepped free of my panties and kicked them to the floor. Nervous, feeling excited thrills at what I was doing, I spread my legs and bent my knees just a little, then opened up.

The relief as piss flooded out of me was matched by the wicked satisfaction of soaking my asshole sister in her bed.

Violet's eyes flicked open. I supposed I knew that was an option. That she might wake up. It was probably hard to sleep when you were getting pissed on no matter how deeply you were out.

I kept peeing. I couldn't stop anyway, and it wasn't like things were going to get any worse for me at this point. I knew what I'd done. I was in for it, and might as well get any joy I could.

Shockingly, Violet did not in fact opt for murder. It was funny to watch her brain try to process what was happening, and at first I thought that was all that was buying me time. As my hot piss kept splattering all over her body, soaking her everywhere, making a disgusting mess of the bed she lay in, I came to realize something different was happening. It became even clearer when her hands went to my ankles and she started rubbing my lower calves up and down until my stream turned to a trickle, then stopped entirely.

I stayed right where I was, afraid to move. Violet was drenched. I'd very firmly pissed all over my big sister. And she just kept staring at me contemplatively. It was unnerving.

"Lie down," she finally said.

"What?"

"Iris, lie down," Violet repeated.

"I won't," I said. "Your bed's full of piss."

"I know," she said. "You'll get wet. But that's happening one way or another. Lie down."

I shivered at her words. It wasn't even the threat. I'd heard so much worse from her that this didn't worry me. There was something else there. Not a threat, but a promise. An offer. An offer I couldn't refuse, sure, but still....

I lay down. It was gross and wet, as expected. I'd really done a number on the bed. I couldn't believe my poor little body had contained such a torrent of liquid.

Violet stood up, kicking her panties off fully casually, my piss dripping down her nude form. She shone in the moonlight. An obscene nighttime goddess.

She pissed all over me in return. I'd expected nothing less by that point. My wet shirt--my only remaining clothing--went from damp to soggy within seconds. And she just kept going. Like me she'd had an alcohol-laden bladder that hadn't been taken care of previously. I got it all. All over me, and her bed, and soaking into me from head to toe. She made sure to aim directly at my face at one point. I thought that might be her revenge, that she was going to drown me in retribution, but she only made sure to soak my face and hair, then moved back downward again.

Violet emptied herself out on my poor, drenched little body. She stood a moment longer, then plopped herself down soggily on her bed again. We stared at each other, covered in each other's piss.

I waited impatiently for my sister to say something, anything at all. I found myself absolutely stuck for any comment to make. Nothing seemed adequate to the moment.

"How's your head?" she finally asked.

I shrugged. "Bit of a headache, I guess."

"Me too. Come on."

Violet got up and padded out to the hallway, fully nude. She left some wet footprints at first as she shed excess liquid.

I bounced up to follow her, so relieved that I hadn't been a victim of sororicide that I was eager to follow any direction Violet decided to give at the moment. Plus I personally didn't know how to move past what we'd just done and was grasping at any chance that maybe she did. Me starting it was entirely beside the point.

I hesitated with my shirt, and opted to ditch it on the floor of Violet's bedroom with a decided splat. Better than dripping all through the house, though being naked was a bit scary. Thrilling too. It was not a familiar state for me outside of my own bedroom. So far as I could tell, Violet wasn't even slightly bothered about her own lack of clothes.

We hit the kitchen. Every little sound and repressed giggle we made had my ears twitching. I didn't want Mom or Dad catching us like this. What the fuck would we even do then?

Violet, more pragmatically, thrust a glass of water at me and downed one of her own. She was working on a second glass while I was still halfway through my first.

"Careful. You'll need to pee again," I warned.

Violet smirked. "Yeah."

I blushed. "Oh. Well then."

I finished my water and refilled the glass. I could catch up to Violet, if that was the game we were playing.

I was honestly so far out of my depth I really didn't know what else to do.

Violet slowed down on her third glass and perched herself on the counter. Somehow it made her state of nudity more blatant than it had been before, and I had to force myself not to stare. My big sister looked good naked. Unfairly good, really.

"How horny are you?" she asked.

"Inappropriate," I said.

"Iris, the night you don't wake me up with a face full of your piss is the night you can chastise me about what is and isn't a sufficiently decorous question."

"Fair," I admitted. "Sorry about that. I mean, well, actually not that sorry. You were being a bitch."

Again with that smirk of hers. "May have been. So were you."

"Not as much."

She shrugged. "Maybe. So how horny are you?"

I hesitated, but I found I actually wanted to share. I was buzzing from it all, and sneaking around naked at night like this kept adding fuel.

"Like an eight?" I said. "Maybe a nine?"

Violet nodded. "Same. Or thereabouts. I... did not know that's how I was going to feel. Not that I had a chance to think about it beforehand."

I bit my lip. "So... now what?"

"Drink your water," Violet said.

"I did," I said. "Lots."

"Drink more."

I knew roughly where this was going. I was sloshing full of water by the time we pattered back to her bed, and she brought some filled water bottles with us as if it were needed.

We giggled together as we climbed back into the wet bed. It was weird and gross and uncomfortable, and we played at trying to push each other into the wettest part in the middle, but we both lay back down in it.

"This is gonna be a bitch to clean up tomorrow," Violet said. "You're just lucky it's one of the hottest things anyone's ever done to me."

"Really?" I asked.

"Might even be the hottest," Violet said. "But I'm not gonna get into trying to figure all that out."

"What... what are you going to do?" I asked.

My sister made direct eye contact as she reached down and started rubbing her pussy.

"Oh," I said. "Right."

I just watched her at first, feeling more of those internal tingles, feeling the urge build in my tummy. I was nervous about joining her. I'd never masturbated in front of anyone. Then again I'd never been naked in bed with someone while we soaked in our combined piss either.

Once I started playing with myself it all got easier. Some of the buzzing tension within me happily calmed down as I rubbed my pussy, while my horniness actually seemed to rise to meet the occasion. Masturbating with my sister. This really took our usual relationship in whole, wildly veering direction.

I didn't want to admit how badly I was waiting for Violet to pee on me again. I knew she would. The longer I watched her, the longer we engaged in our weird, horny standoff, the more inevitable I knew it was. My own urge to release again kept building, only gently at first, and only slowly over a long period of time, but it was definitively rising. I knew beyond a doubt I wasn't leaving the bed the rest of the night, which made those physical urges add exponentially to the excitement.

Violet finally--finally!--made the move I'd been secretly hoping for. Or maybe not that secretly. She pinned me back on the bed and straddled me, using enough force to make me submit even though I would have let myself be restrained by a gentle touch at that point.

Her new stream of piss started all over my chest and tits and neck. I rubbed myself furiously as I was bathed in it. Violet moved to my face, violently covering it, and I found myself actually opening my mouth instead of firmly closing it. I didn't try to swallow anything, but the sharp, mildly unpleasant taste rolling over my tongue before overflowing back across my lips did things to me.

My helpless moaning became gurgles as my mouth was filled and refilled. My eyes rolled back and blinked closed at regular intervals due to the unpredictable rivulets of pee.

My legs shook as I rubbed myself harder and faster and needier, then I tensed all over and experienced the warm, comforting glow of a frantic and extremely horny orgasm.

"Did you actually just fucking cum?" Violet asked as her cascade of pee trickled to an end.

I looked up at my sister, shivering at the knowledge of what I'd just done. What we'd just done, really. It wasn't a bad feeling exactly, but it was certainly weird and confusing.

"Might have," I admitted.

"From me pissing all over you?"

"... yeah."

Violet grinned wickedly. "You little piss slut."

Some part of me wanted to take offence at that, but it wasn't incorrect. And... of all the insults my big sister had ever slung at me, 'slut' had never been one of them. It felt weirdly warm and validating.

"You think?" I asked shyly.

"Duh," she said.

"Ok," I said agreeably. "Your turn?"

Violet snorted and pinched my nipple. "You want to piss all over me again?"

"You did make me drink all that water," I pointed out.

"Ha, yeah, I did. Ok, let's do it."

Violet rolled back onto the soggy bed, squirming in the wet mess to try and get comfortable. I straddled her in a mirror of our former positions, on my knees with my pussy hovering above her.

"Don't do it yet," she instructed. "Let me get going first."

Her hand was busy between her legs, rubbing herself. It was such an oddly intimate position for us. I would have felt more comfortable peeing, honestly. At least I knew what I was doing in that case.

Right now I was just waiting and watching. I was getting masturbated to from close up, in fact. Violet's eyes traveled all over my piss-soaked body, up and down, nothing hidden from her. I felt warm and flushed from her gaze, and also possibly from studying her and preparing to pee on her.

"I do actually have to go pretty bad," I said.

"I know," she said. "Wait."

I tried to wait. I really did. But I needed to go.

"How long until you're ready?" I finally asked.

"Oh I'm ready whenever," Violet said. "It's just fun watching you squirm."

I gasped in full indignation and immediately let my bladder release. "You bitch!"

Violet moaned and rubbed herself faster as my piss soaked her for the second time that night. I made sure to cover her face lots to wipe that smirk off of her lips, though I wasn't sure it really worked. She was just getting off on it. Which, to be fair, was something I understood very well. I'd just had probably my best cum ever while she was drenching me in an utterly degrading way. I kind of hoped she was experiencing the same.

She came, at least. I didn't want to be so desperate as to ask if I'd made her cum harder than anyone else by pissing on her face in her soaked and destroyed bed. I didn't really want the answer to that. But she did cum, and that felt so momentous to me.

My sister seemed lost in thought afterward. She still gently played with herself, but without any urgency. Her free hand ran up and down my thigh a few times, and feeling emboldened by not immediately getting kicked out of bed after she came, I lay down right beside her, daring to try and cuddle a little.

Violet wrapped an arm around me with only a momentary hesitation. She pulled me close to share warmth while we both felt our feelings and thought our thoughts.

"You doing ok?" she finally asked.

I was actually touched that she would care. It wasn't always a given between us.

"I am," I said. "Is that bad? I should be... not ok right now, I think."

"Why, just because you're cuddling naked with your sister after we both masturbated together in bed full of our combined piss?" she asked.

"Um... yeah. That, basically."

"Right. I was thinking about that too." Violet's finger traced up and down my shoulder. "It's pretty fucked."

"Yeah," I agreed, snuggling tighter to her and letting my face rest dangerously close to her tits. Her unfairly lovely and soft tits. I nuzzled at them a little, because when else would I ever have the chance?

"But... fucking hot," Violet continued.

"Ha, yeah," I said. "It was, wasn't it?" I hesitated, then pressed ahead. "I'm glad you think so too."

"Worried I'd think you're gross and weird?" she asked.

"... yeah."

"You should be. You are, in fact, gross and weird."

"Hey!"

"Well you are," Violet said. "But... somehow that makes you cooler and more interesting than you usually are."

"Oh. Ok. Acceptable then." I thought about it for a moment. "Are you ok?"

"I think so," Violet said. "It's a lot to process."

"Definitely," I said.

"It was fun though."

"Mmhm!"

"You're helping me clean up tomorrow," she warned.

"That's fair," I said. "Can... can I stay here for tonight though?"

"Iris, I drank a lot of water. I'm going to need you for a toilet again."

I blushed and kept my head down against my sister's chest. As degrading as the words themselves were, the intent behind them and what they made me feel was so very nice and comforting. Just what I needed.

I didn't think either of us got a good sleep all night. We drifted in and out and shifted around a lot. It was not a situation that lent itself to a peaceful rest.

I woke up being spooned at one point with Violet pissing hot against my ass. I whimpered softly and let myself go too, the both of us flooding the bed yet again. I was pretty sure she peed on me at least once more after that, but my memory of it was hazy.

****

I felt a burning shame in myself as I blearily opened my eyes in the fresh light of dawn. This was gross. We were gross. I was gross.

And yet....

Violet was only a moment slower to awaken. Probably my shifting about again did it. She looked at me, I looked at her.

"Your hair's a mess," she told me. "And you smell bad."

I grinned, feeling my self-disgust slip away. "Same to you."

Violet grinned back, then the two of us lay there a while longer, watching each other and pondering our next move.

"I... actually really need a shower, I think," I said.

"You don't say," Violet said.

"I mean, like, now," I said. "The novelty's worn off a bit."

"I dunno. There's something about lying naked in bed with you," Violet said.

My cheeks burned. "Don't tease. I know how gross I am right now. And I know I'm not much to look at even aside from that."

"Hey, I told you last night, this is the most interesting you've been in a while. Maybe ever. And you're more fun to look at than you give yourself credit for."

"You're the one always saying no one would want to look at me," I protested. "You said I'm too flat, too dorky, too--"

"Fuck's sake, Iris. 'Cause it shuts you up when you're being annoying. Duh."

"... just that?"

"Yeah."

"You think I'm cute?"

"You look enough like me you could probably be considered downright hot," Violet said.

"Pff, narcissist," I said.

"Healthy sense of self is all," Violet said. She brushed my cheek with the back of her fingers. "You're beautiful, Iris, genuinely. It's just that it doesn't show through so much when you're being an arrogant brat."

"I'm not that!"

"You pissed on me while I was sleeping."

"... you're gonna hold that over me now, aren't you?"

Violet smirked. "Most definitely."

"Fine! Well I'm getting the shower first anyway."

I sprang out of bed with more energy than I really felt. The problem with demonstrating such confidence was I couldn't really slow down once my brain caught up to my logistical problems. Namely that my clothes from last night were disgusting and damp, and I was otherwise nude.

"Nice ass," Violet called from the bed, adding an appreciative whistle.

I had to keep marching away. It was all I could do. But a big part of me absolutely cherished my sister's catcalling.

I'd always been down on myself about my looks. I couldn't even totally blame Violet for that, though she hadn't traditionally helped matters. Having her express interest now was a wild new world for me, and gave me some validation I badly craved. And all I'd had to do for it was piss all over her.

I darted nakedly down the hall, praying not to get caught by one or both of our parents. That would be humiliating enough to undo any of the hopeful or exciting things I was currently processing through. It would probably cause a mental breakdown right then and there, if anything.

The path to the bathroom was fortunately clear. I scampered in and breathed a sigh of relief that my nude dash had been unwitnessed.

The shower sang to me, and I luxuriated under its hot, cleansing spray. Last night's piss adventure had been amazing and unlocked so many things for me, but all I wanted now was to be clean. Perfectly, pristinely clean.

I didn't ordinarily pee in the shower. I didn't think of myself as that kind of person. Today, however, when I felt the urge I just let it happen. It felt liberating to be able to just let it out, let it flow down the drain with the rest of the water, and to know that as far as filthy acts it didn't even register now. I was a whole new girl in some very specific ways.

Another thing that wasn't typical of me, but in this case was something of a treat that I occasionally dabbled in, was using the showerhead to masturbate. In this case it had always been more the fear of getting caught rather than a moral quandary. When I masturbated it was usually in the safety of my own room.

Sometimes the showerhead called to me though. Today was one of those days.

I leaned back against the wall of the shower and let my eyes roll back. The drumming water on my clit was heavenly, and I had some serious horniness to burn through. Thinking about that insane, fucked up night with my sister was going to do things to me going forward. I could feel it.

My fears came true after cumming and slowly returning to reality afterward. Violet was standing outside the shower just watching me. We were blurry and indistinct to each other from the steam on the shower door, but it would have been clear enough what I was up to.

The good news was that unlike literally any other day before now, I was slightly embarrassed but didn't really mind getting caught masturbating.

I cracked the shower door. "Perv," I told Violet.

"Slut," she responded immediately.

The second time she'd used that word. It had always been something I'd thrown at her, and now she was using it on me. And... I really liked it. I'd hate it coming from anyone else, I was pretty sure, but from Violet....

There was something about the shift from her usual insults which painted me as undesirable to one that suggested the very opposite. It gave me weird but nice feelings inside.

Violet yanked the door the rest of the way open and turned the water off before stepping into the shower with me. She remained naked with no sign she'd donned any temporary clothing on the way over.

"Hey! I was in here," I protested.

"I'm aware," Violet said. "Really having fun too, weren't you?"

"I'm allowed," I said.

"Oh I don't have a problem with it," Violet assured me. "I came to help, actually."

She pushed on my shoulders, guiding me down to my knees.

"I don't need help. I'm getting cleaned up." My eyes widened as I came face to face with my sister's pussy. "Vi! I just got rinsed off, dammit!"

"You can clean up again," she said, and unleashed her piss straight into my face.

It was annoying because I'd just been feeling so cleansed a moment ago, and I here I was being made filthy again. It was also annoying because I'd just taken the edge off my horniness, and now Violet was cranking it right back up on me.

She so casually decided that she could just use my face as her toilet, even in the light of day again. And she wasn't even wrong.

I had to close my eyes even though I wanted to watch. Violet's piss kept getting all over my face and not leaving me the freedom to at least witness it happen. I opened my mouth though and once again let it flow over my tongue and back over my lips. It made me feel so wonderfully slutty.

I cautiously blinked my eyes open as Violet's last trickles ran down my neck and tits. She was staring down at contemplatively and noticeably aroused.

"Did you just... swallow some?" she asked.

I shook my head and let the last traces of her pee run back out of my mouth. "No. Didn't swallow."

"Ah, oh well. That would have been pretty hot," she said.

"It would be gross," I said.

"Yeah, it can be both." Violet's fingers were in my hair, holding me dangerously close to her pussy. "You're managing both pretty well already."

Oh fuck. She had to stop saying things like that. Coming from my sister, typically the person with the most savage and cutting words reserved for me, every little compliment or sign of interest had me burning. The indirect admission that she thought I could be hot had me melting for her.

It was kind of pathetic, honestly. I'd always imagined myself with someone who treated me really nicely someday. I really hadn't thought myself a sucker for someone degrading and praising me at the same time. But I so badly found myself caught in the web of it.

I stuck my tongue out and licked up some stray droplets of pee on Violet's pussy. She made a confused, horny noise and pushed me back from her.

"You can't do that," she said. "You're my sister."

"You picked up on that, huh?" I said sarcastically.

I moved back in and swiped my tongue across her slit a couple more times before pulling myself away. Violet's heavy-lidded expression suggested she could have gone for more, and once again I felt that fire inside. Licking my sister's pussy after she'd just pissed all over me was sluttier than I ever imagined of myself, but here I was having done it. I felt so proud of myself, and just wildly sexy too.

"Fuck," Violet said, shaking her head as she turned away from me.

She cranked the water back on and started washing herself while leaving her ass in my face. I, in my current state, admired it close up for a moment. I even felt the urge to lick it too, though that was way too far. She was, in fact, my sister. Licking her naughty bits was out of line in so many ways.

She did have an amazing ass though.

I struggled back to my feet and tried to shoulder-check Violet out of the way. "I was here first, by the way," I said. "I get to clean up first."

"You had your chance," she said, pushing me right back.

"Yeah, I did. And then you got me messy and gross again," I said, knocking her off-balance enough to temporarily claim the cleansing water from above.

"Only 'cause you're a little piss slut," she said, knocking me against the wall.

As much as I loved her saying that and wanted more, I was also annoyed at my shower being stolen. Besides which, I couldn't let her know just how much I loved it. She'd either be insufferable, or she'd withhold calling me such names. Maybe both.

I fought Violet as best I could, wrestling my way to attempted primacy. Despite standing nearly equal in actual height, I knew I didn't stand a chance against in her physical combat. Never had.

But oh it was glorious fighting her in the shower. My latent lesbian sluttiness was really blossoming now. Her warm, wet, slippery body constantly rubbing against me in new and interesting ways was worth the humiliation of feeling very much the little sister as every one of my attacks was repelled.

"Behave!" Violet panted.

"You behave!" I shot back.

"Just let me clean up!"

"After me!"

"Stupid slut!"

"Selfish bitch!"

The conflict only escalated, and my saving grace was that standing under the hot water neatly hid just how aroused I was getting. Any flush or wetness in my body was covered over. But I was so fucking turned on, and for once even losing decisively against Violet was making me pleasantly horny. She couldn't actually pin me and make me surrender, not without being able to get a good grip on me which she was finding a struggle. Every time I weaseled out of a firm hold it meant more slipping and sliding against her.

The bathroom door banged open.

"What are you two doing now?!" Mom demanded.

Violet and I froze. How oh how to explain this one?

As the silence stretched into awkwardness, but before our mother could start asking question neither of us could answer, I let out a whine.

"It was my turn in the shower!" I said.

"You were taking forever!" Violet shot back just as quick. "I have things to do!"

"You don't even," I said. "You're just mean."

"I'm mean? You're a spoiled little--"

"For heaven's sake, you're both adults!" Mom said. "This is far too childish."

"Yeah, you're being childish," I taunted my sister.

Violet glared at me, then struck with snake-like swiftness and bit me sharply on the shoulder. I had to muffle myself to keep from letting out a moan. That was embarrassing. It hurt! But... somehow the pain ran straight from my shoulder to my clit. I liked it.

"We'll work it out," Violet said, smugness evident on her face, but only to me.

I couldn't tell what Mom could make out of the interior of the shower. For all I knew she deliberately might not even be looking. But I was ever so thankful there was no way she could tell how turned on I was.

"Honestly, I'm going to have to kick you both outside to play in the yard if you're going to be like this," Mom growled. "I haven't had to do that in well over a decade now."

She left, thankfully. Violet and I were left staring at each other. I didn't think the shower was hiding my blush very well anymore. My cheeks were far hotter than the water running down my body.

"Are you going to behave?" Violet asked softly, our bodies still molded together, our tits and hips pressed up tight.

I delayed my answer purely to keep feeling her against me. "Yes," I finally begrudged her.

"Good girl."

I shivered despite the heat of the shower. How the fuck was my stupid sister making me feel all these things all of a sudden?

I did my best to behave myself. I found that I wanted to. Almost as though I cared about pleasing Violet, something that rarely crossed my mind. But she'd called me a good girl....

Violet cleansed herself while I was half in a confused daze. She pushed me back under the main spray once she was done, and even rinsed out my hair nicely for me.

I zoned back in as she stepped from the shower. I followed the curve of her breasts and hips, and the gentle sway in her stride. My big sister, someone I'd never had tender, intimate feelings for, was all of a sudden a magnetic draw to me.

I followed her out, the two of us drying ourselves off in near-silence. I wrapped myself modestly in my towel, hair still damp. Violet was more meticulous about drying herself off, and only casually wrapped herself in her towel as well, as though she didn't care how much I watched her.

"What the fuck was that about, calling me a good girl?" I finally demanded.

Violet smirked. "I don't know. It worked pretty well though, didn't it?"

"You've never called me any such thing before," I pressed.

She shrugged. "You've never been one."

"It's weird," I insisted.

"You liked it," Violet countered smoothly.

I blushed. She had me there.

"You liked being pissed all over," I growled in retort.

Violet inclined her head. "There is that."

"So don't be acting all superior," I said, feeling like maybe, just maybe, I could gain some dignity back here.

My sister, my completely uncowed big sis, stepped over to me and thrust her fingers into my wet hair, taking a firm handful. I whimpered embarrassingly as she tugged my head back, exposing my neck.

"We've both got some things to figure out," she purred. "That's true. The real question is whether you feel the need to be a mouthy brat in the process?"

I shivered again. Another one that ran through me and made me feel electric and alive. This was such a different side of my sister. Not the usual unstable dichotomy of friend and foe that we had become used to with each other. Was it my fault she was acting this way now? Or was this always a part of her that I just hadn't seen?

"I guess it depends on if you're going to be a controlling bitch about it," I said.

Violet laughed sharply. "Mouthy brat it is."

She whipped my towel off and strode out of the room. I froze for a few seconds before pursuing. Violet was too close to her room by the time I could have caught her, and I changed course to my own room. If I'd been thinking clearly I could have just grabbed another towel instead of streaking nude through the hallway. But I wasn't thinking clearly. There was nothing clear about me just now.

****

Violet and I engaged in a late breakfast, interacting with our parents to the extent we had to. I tried to behave myself, but the urge for us to snipe back and forth at each other was inexorable.

Dad hardly noticed and kissed us each on the forehead before departing. Mom, I assumed, was only exasperated because of us wrestling in the shower earlier. I wasn't sure she would have noticed anything amiss otherwise. It made me thoughtful.

Was that what people saw of my sister and me? Just a long series of spats punctuated by genuine but fleeting ceasefires?

I supposed that was how I was used to thinking of us. Yet now I saw the potential for something more than that. Not something acceptable necessarily. The events of last night and this morning were not sisterly behaviour. But if I had the choice between trading verbal barbs and sharing a shower with Violet....

"Alright, brat," Violet said, breaking through my reverie. "Mom's gone."

"She is?" I blinked.

"You really don't function on low sleep, do you?" she said.

It wasn't that, but she didn't need to know what was in my head.

"We've got a room to clean, remember?" Violet said. "Come on."

I wondered if I refused what she'd do. Whether she'd pull me along by the hair, or bite me again, or call me a brat or a slut. Or maybe she'd wrestle me down, piss on my face, then opt for one of the former options.

I did owe her though. And I wasn't quite ready to test her that hard just yet.

The soaked mess of our clothes from last night and all of Violet's bedding went straight in the wash. We struggled together to slide her mattress out to the backyard and I watched her hose it down thoroughly before leaving it propped up in the hot sun to dry. We mopped up anywhere along the floor that either probably or definitely had been pee-stained.

We convened out on the back steps afterward, guarding Violet's mattress. She brought beers.

"Kinda early for that," I said.

"Suit yourself," she shrugged.

I watched her take a big swallow of hers, then gave in and emulated her. I remembered what drinking had done to us last night. As fucked as it was, I wasn't opposed to risking similar results again.

"Now what?" I asked.

Violet hummed. "I don't know. What do you want?"

A good question. I had partial answers to it, but none that I dared speak aloud.

"I've never been in a spot like this," I said.

"You think I have?" Violet asked.

"I dunno. Something closer to it, probably," I said. "You have... more experience."

"That annoys you, doesn't it?" she said.

"Of course. You always... always know better. Or think you do. And you're so smug about it."

"Big sister, remember?" Violet laughed softly.

"I guess," I said.

She was quiet a moment. "Is that really how you see me?"

I blinked. "I mean... not always. But often, yeah."

"Huh." Violet clicked her tongue. "Would you say that's changed?"

"Well... some, I think. Since last night. Couldn't hardly help changing."

"Yeah, that's how I feel about you too."

Did I dare ask how she used to see me? Probably not. That was only opening the door for some pithy and devastating insult.

"Am I right in thinking you've never done anything with a girl before?" she asked.

I blushed furiously and tried to drown it out with more beer. "You know the answer to that," I said.

"I suspect the answer to that. Strongly suspect."

"Well... you suspect right."

"Does it help if I haven't either?" Violet asked.

"... some, actually," I said. "Boys though?"

"Oh yeah," she grinned. "Some fun ones. But... it's different with you. Very, very different."

There were so many possible reasons for that. It wasn't even necessarily a complimentary comparison at all. But I liked it. I liked the implication that I represented something new and exciting to her. And all because I'd wanted petty, messy revenge.

"Hot for you sister now, huh?" I said.

"I wouldn't go that far," Violet said. "But... kinda, yeah. Fucky, huh?"

"Slut," I said automatically.

She bit me hard on the shoulder, thankfully in a different spot from last time. My reaction was an embarrassing sound somewhere between a gasp and a moan.

"You were saying?" Violet prodded evilly.

"Stop doing that," I spluttered.

"Be a good girl," she said calmly.

"Stop saying that too!"

"Or what?"

My face must have been red, and I couldn't even tell if it was righteous sibling fury that coloured me, or desperate arousal.

"I know where you sleep," I warned her.

Violet looked straight into my eyes, into my very soul. "I dare you."

I blinked first. Of course I did. But she hadn't managed to cow me entirely. I was more resilient than that.

"What we did is more embarrassing for you than for me," I said.

"... you're not wrong," Violet grudgingly admitted. "You do have that card."

I fidgeted with the beer can in my hands. "I wouldn't tell anyone," I said.

Violet gave a crooked smile. "Even if you're pissed at me?"

"Well... how badly?"

"Ha, right."

"Sorry," I said. "But you do tend to piss me off pretty badly."

"Right back at ya, Iris."

"That's different," I said. "You're older and stronger and more experienced. Pissing you off is all I have."

Violet watched me thoughtfully. "I think you sell yourself short," she finally said.

"Pff, how? I can't take you in a fight," I said.

"No," she said, "you can't. I may regret saying this at all, but I feel I have to. It's weighing on me. You... you got me the most turned on I've ever been. By a wide margin."

I blinked. "No I didn't. Not that much."

"Yes. You did."

I drank more beer, starting to feel the effects of it. I needed that comfort.

Sure spending the night with my sister pissing all over each other was the horniest thing I'd ever done and would have me fantasizing about it for... well, indefinitely, I supposed. But Violet had done more than me. This wasn't as meaningful to her.

Or... was it?

"But you've had sex," I said. "Right?"

Violet shrugged. "I have."

"That's... that's supposed to be pretty fun," I said.

"It can be," Violet agreed. "It can also be disappointing."

I scratched at my knee. "What's it been for you?"

"A mix of both, generally," she said. "I keep hoping for better. I can feel it. It's out there." She turned her flashing eyes to me, filled with some complex set of emotions that I could hardly fathom. "Do you know how fucky it is that I know--I know!--this is what I'm going to be thinking about for weeks or months now. That you of all people did this to me."

I blushed warmly. I felt embarrassed, but also something else. Horny, maybe. Or proud. Excited?

"I can do more to you," I found myself saying.

"Ha, really?" Violet laughed. "That's what you're going with?"

I met my sister's eye, matching her gaze with more confidence and intensity than I thought I had in me. "If you're a good girl I'll pee on you again."

I was endlessly thrilled at the way Violet's cheeks reddened and she looked away first.

"Oh my god," she whispered. "You...."

"Ask for it nicely and I'll think about it," I said.

Violet's eyes were ablaze with possibility and arousal when she turned back to me. "This is the most presumptuous I think I've ever known you. It's rather annoying."

"Because it's working?" I suggested.

She sighed. "Yeah. That."

"Hehe, you want your little sister to piss on you," I gloated.

Violet bared her teeth and I flinched back before she could bite me again, though part of me regretted my own reflexes.

"You don't even know the mess I'm going to make of you," she told me.

I shivered happily and my clit throbbed in anticipation. "Oh yeah?"

Violet drained her beer and stood up. "Yeah."

She padded inside and returned shortly with another couple cans and some large glasses of water. I really liked where this was heading.

Violet and I soaked up liquid as much as we could, then just waited. Our conversation stayed pretty balanced between heartfelt, teasing, and jabbing, but with an ever increasing proportion of sexual promise.

"Ok," I finally said. "I'm gonna burst."

Violet nodded matter-of-factly and took her shorts off, then knelt down in front of me. She slowly rubbed up and down over her panties, staring straight at me.

I fumbled with removing my own bottoms. I'd been fully naked in bed with her and everything so it wasn't so bad exposing my pussy again. I still felt kind of shy about it. Especially since....

Neighbours might see," I said.

Violet smirked. "Just thinking about that now?"

"It'd be embarrassing!"

"Yes," she said. "It would."

Violet rubbed herself a little faster. I fairly burned at the thought of what we were doing. Sure, a bit tipsy again. I could probably blame the booze if I tried really hard. But it wasn't that. It was us. This was what we wanted, what we were going to do, even in the cold light of day.

I got my pussy out in front of my sister, my insides protesting at how long it was taking me to release the hot liquid inside me. I scooted forward on the step, trying to put myself as close to my sister as possible. She actually leaned in and opened her mouth right up next to my cooch, but crucially not actually touching me.

It wasn't a matter of consciously starting to pee so much as giving up the fight. I needed to go so badly, and it came out in an absolute torrent.

Violet's face was soaked immediately, as well as all down the front of her shirt. She spluttered and giggled at how hard it hit her. She jammed her fingers down the front of her panties and rubbed herself frantically as my piss ran all over her, fully drenching her front.

"Oh my god," I breathed.

It was a whole new dimension to be able to fully see it happening in the sunlight. Every little detail of me pissing all over my sister was mine to enjoy. Last night, the first time, it had been about vengeance. This time it was one hundred percent horny.

Light flashed in the gushing stream as it arced fleetingly in the air, then splashed against Violet's skin and clothes. The shape of her breasts was fully visible as her shirt clung skin-tight to her, her hair became plastered to her face and scalp. Her exposed skin all glinted back at me.

"That's so hot," I sighed.

Violet grinned at my words. She tried to look at me, but had to mostly keep her eyes closed until my stream died down.

"That was... a lot," she purred.

"You made me drink a lot," I said.

"Didn't make you do anything," Violet said, eyes now open and burning as my pee became a mere trickle.

I gasped as she dove in and lapped at the last bits of pee emitting from me. Her tongue held a sudden and welcome intensity for my needy little pussy. She was actually licking me. Cleaning me up after I'd made such a mess of her. But mostly she was licking my cooch in an unambiguously sexual way.

I moaned and just started to really enjoy myself when she pulled back, making me whine instead.

"My turn now," she said.

"Vi!"

"What?"

"Lick me more?" I pleaded.

Violet's grin was teasing and downright evil. "That would be pretty bad of me, don't you think?"

"Well yeah, duh. But you can't just... can't just start and only give me such a little," I complained.

Violet stood up and peeled her drenched panties off. Admittedly, seeing her pussy in front of me did things to me. Things I didn't want to speak out loud.

"Maybe if you're good you'll get some more after," she said.

"Well that's not fair," I said, eyes locked between my big sister's legs.

"You want my piss all over you or what?" Violet taunted.

I blushed but slipped to my knees and let her straddle me, shoving her cooch right in my face. I was horny. Way too horny. Too needy.

I couldn't help myself but stick my tongue out and lick her. I seemed to catch Violet off-guard with it too, though she soon cooed approval and started pissing on me anyway even as I lapped hungrily at her wet pussy.

My sister's piss flooded my mouth and she did her best to drown me in it. The excess cascade of it soaked down my front and made me just as much a mess as she was. I did my best to keep licking her throughout, but for much of the time I was simply letting the hot liquid flow over my tongue and back out my overfilled mouth, over my lips, down my chin and neck, past my tits and tummy to my thighs.

As I kept licking Violet and tasting her piss, I dared to even try swallowing some. Not a lot, but some. There was so much I couldn't really help myself, and mostly it just made my pussy burn even hotter.

"Oh fuck," Violet breathed. "You good little piss slut. Holy shit."

I was worryingly pleased with myself. Making my big sis talk to me like that, continuing to lap at her pussy as her stream of piss ebbed and finally trickled down to nothing. I kept licking. She still tasted strongly of pee, though that faded as well as I cleaned her with my tongue. More and more her flavour was of arousal instead.

"Good girl," Violet cooed. "Keep licking. Fuck me. So good."

I lost myself in the moment, not thinking about what it meant that my sister was kind of bossing me around. Not worried about what she thought she could tell me to do. I wanted to do it. I wanted so badly to keep making her feel good. The two of us covered in each other's piss, and all I wanted was to shove my tongue up inside her.

And, admittedly, to hear her praise me and ask for more. It was kind of annoying how much I was enjoying that part.

"Fuck, Iris," Violet moaned, stroking my hair which had mostly but not entirely escaped getting pissed on. "Suck on my clit."

I ignored her and kept licking.

"Iris?"

Still licking. Still tasting her increasingly delicious pussy.

"Unf, fine. Please suck on my clit," Violet tried. "Please be a good girl for me. A good little pussy slut."

That was the shit. Again, embarrassing to want it so badly from my sister of all people, but it added flame to the fire within me. I was so desperately horny now, and I sent all that energy straight into my sister's clit.

Violet moaned loudly and gripped my hair tight. She didn't actually shove my face into her pussy, didn't try to physically control me, but that grip was firmly there anyway.

Sucking on her felt so natural to me. I didn't even need her little noises and twitches to feel good about it, but they helped a lot too. It just felt right, as well as gloriously sexy. There was no thinking involved. Not like trying to move my tongue just so. More like just latching on and letting my natural instincts do the work. Just sucking away on her.

I couldn't have been any prouder of myself making Violet cum. I sat back when she finally pushed me away. I lost my balance and tumbled backward onto the lawn behind me, happy to lie out in the sun and let it start to dry my soaking wet shirt.

Violet was a few moments recovering.

"Pleased with yourself?" she asked me.

"Yeah," I said happily.

"Fair. You earned it," she said. "Really your first time eating pussy?"

"You know it is," I said. "First time doing it while someone's trying to drown me in piss too."

"So all kinds of fun," Violet grinned, crawling down beside me.

We must have looked quite the pair. Two sisters with no bottoms on, lying out and letting each other's piss dry off of us in the sun. I didn't even care right now about anyone seeing. It wasn't a concern in my mind one way or another.

"I can't believe I let you eat my pussy," Violet said eventually.

"Let me?" I said. "You're welcome, more like."

"Ha, didn't mean it like that," she said. "Just, you know, you're not who I ever would have expected to have their mouth latched on to me like that."

"That's fair, I guess," I allowed. I rolled closer and put my arm around her. "I'd probably do it again if you're good."

"How generous," Violet teased.

"You'd be lucky if I did," I insisted.

"I... actually would be," she admitted. "I could go for a little sister mouth slut as it turns out. That's kind of embarrassing to realize."

I bit her tit through her shirt.

"Hey!" she yelped.

"Stop being embarrassed about me!" I said.

"This is fucking embarrassing no matter how you look at it," Violet countered. "Do you see the two of us right now? We're--"

I bit her again.

"Stop that!" she hissed.

"Or what?" I demanded, nipping at her some more.

Violet growled and shoved me on my back, pinning me down easily. I struggled, but I never stood a chance as soon as it became a purely athletic contest between us.

"No fair you're always stronger," I whined.

"You coulda done sports too instead of always nerd shit," she taunted.

"I wasn't strong enough for any of that," I said. "How would that help?"

"You would have been in better shape from doing sports, not doing sports because you were in better shape already. How do you really not grasp the causal relation in this case?"

I squirmed under Violet, but it was no good trying to escape until she let me. Not that I really wanted to. Ordinarily I would have felt helpless and annoyed. This time the helplessness just got me hot. I wanted her on top of me, if only to see what she'd do with it.

She pulled off my soggy t-shirt, leaving me naked and damp. I could have escaped probably while she was occupied peeling my shirt off of me, but I stayed docile. I gasped hard when she bit me right on the tit afterward.

"Hey!" I yelped, though I unconsciously arched my back and offered my chest up for more.

Violet obliged, biting straight on the nipple of my other breast. I felt a hot lightning connect directly from my nipple to my clit for the brief second her teeth were clamped on me.

"I want to lick you," she said, ignoring my feigned protests.

I paused only a heartbeat. "Ok."

"I... haven't really done it before," she said.

I shrugged. "So?"

"Yeah, fair."

Violet trailed down my body. Shy as I was about her being face to face with my cooch, I still spread my legs wide for her. There was something very different about exposing myself to pee on her, and leaving myself vulnerable so she could lick me out. Two very different things. But I wanted it so badly that my shyness and lack of experience didn't stand a chance against pure sisterly horniness.

Her tongue was magic. I didn't care--didn't know the difference really--that she was learning as she went. The feel of it added fire to my already blazing pussy. It was by far one of the nicest feelings of my life.

Violet's oral caresses were sensuous and decadent. Her mouth on me had me arching and panting, begging for more and more. I was her toy to lick and play with, and that was all I wanted in the moment.

I encouraged her to suck on my clit. She teased around it, giving me little tastes here and there, before finally latching on firmly. That was what I needed. I felt it build inside me as her lips did their natural work. The fire blazed up, consumed me, made me feel like I couldn't possibly stand it, then in the blink of an eye it all released in the most powerful cum of my life. Cumming hard and desperately into my sister's mouth while she sucked as much pleasure out of my poor little clit as she possibly could.

I was weak and helpless afterward. Violet cuddled me on the lawn, teasing and holding me. I was incoherent and needy of her affections.

"That's a good girl," she purred.

I only babbled something that wasn't quite words back at her.

"It was pretty fun making you cum," she said.

I smiled shyly and pressed my face to her, nestling against my big sister. I felt so safe with her in the moment and I needed that comfort.

****

I hoped so badly that Violet and I weren't finished being bad together. It was all I masturbated to afterward. Thoughts of us pissing on each other, feeling and licking each other, sleeping together. My imagination ran wild with things we'd done and things I dreamed of us still doing.

My poor horny little self couldn't resist testing the very first opening I got a few days later when I walked into the bathroom and found my sister on the toilet. She looked at me rather indifferently as I padded in, though to be fair it was first thing in the morning and we were both pretty bleary. Not bleary enough to stop me getting horny almost immediately though.

I kicked my panties off and stepped up to Violet just as her pee trickled to an end. I climbed into her lap, wrapped my arms loosely around the back of her neck, and started pissing. Sharing the toilet with her, and using our combined bodies as a funnel to get the hot liquid down to the bowl beneath us.

"Fuck's sake," Violet muttered, pinching my nipple through my shirt. "Guess I'm taking a shower after all."

"Sorry," I giggled with no trace of actual apology in my voice.

We got naked and squeezed in the shower together. I loved it so much, getting the chance to squish up close and wet to my sister again and fight over the shower spray.

Unsurprisingly, Violet got me out of the way by forcing me to my knees and making me lick her pussy. I was so eager to oblige her. It wasn't even that I wanted to make her feel good. It was just something that turned me on like crazy, and it made me so happy that she wanted me to do it again.

"You're gonna misbehave, this is what you get," she told me softly.

The sexiest threat I could have asked for. Piss on my sister and I get to shower with her and have full access to her pussy? Yes please. That was a dream come true.

My strong feelings on the matter made me wonder whether I'd always felt some kind of thing for Violet. Whether I would have burned the same for her using my mouth a month ago, say. Or whether we'd both flipped a naughty switch that night when I'd pissed on her in her bed. Whether that had fundamentally shifted everything about our relationship.

I made my big sister cum from me sucking on her clit, feeling wanton and wild and fairly pleased with myself.

Violet took a moment to herself to recover, and I took the opportunity to hog the water and try to clean myself up some. To my absolute delight, I'd only just started properly cleaning myself when Violet pressed me against the wall, pinned me there, and detached the showerhead so she could manually position it at my pussy.

I whimpered and squirmed as the water drummed against me in insanely pleasurable ways. I outright gasped and moaned when Violet stuck two fingers up inside me too. Just casually claimed my pussy for her own like that.

I gazed at Violet's eyes, but she was intent on my cooch. She could claim me in any way she wanted, I realized. Such an insane turnaround from always squabbling with each other. Now all I wanted was to be close in all the least appropriate ways.

My sister made me cum, pressed up against the wall of the shower, all wet and panting for her. She dropped the showerhead and helped hold me up as I recovered, which incidentally left us squished up even tighter against each other.

"Vi?" I asked in a small voice.

"Yeah?"

"Do you want to kiss me?"

She studied me, brushing back wet hair from my face.

"Weirdly... I kind of do," she decided. "Fucked up, huh?"

I shook my head. "I don't think so."

"You don't?" Violet teased. "Even if I want to kiss you in a very unsisterly way?"

My heartbeat felt too loud in my chest. "Is there a sisterly way to do it?"

Violet grinned and gave me the chastest of pecks on the cheek.

"Oh," I said. "Right. I want the other kind then."

"I don't know," Violet said, still taunting me. "I don't know if you deserve it. You're kind of an annoying, bratty, pain in the ass little sister."

I felt the odd emptiness in me as she spoke. Not in a bad way. Just that ordinarily I would have had my claws out immediately in response to a statement like that. I felt a certain amount of pride in being able to match or even best Violet when it came to insulting each other, but despite her best efforts the fire just wasn't there to be stoked. All the heat she caused in me had been channeled elsewhere, to happier and hornier places within me.

I hugged my sister. "I can be good," I said.

The full, physical surprise Violet reacted with was fairly amusing. Without even seeing her expression--my face firmly buried in her tits--I could viscerally imagine the range of feelings she would be going through. I understood. I was surprising myself almost as badly at the same time.

"Fuck," Violet sighed. "It's like that, is it?"

I shrugged.

"I like you better like this," she admitted.

"Same," I agreed.

"Takes a bit of the fun out things though," she said.

"You can always piss all over my face any time you need to get some aggression out," I offered.

Violet growled and tilted my head up to meet hers. Her lips were on me hard and insistent, demanding things of me I was only too happy to give.

It was an aggressive first kiss, and somehow perfect. I didn't want or expect my sister to take it easy on me, and indeed her lips and tongue took what they wanted from me, and she even left me with a small, sharp nip on my bottom lip with her teeth as she pulled back.

"Don't be too good," Violet said.

I nodded blankly as she turned away, replaced the showerhead in its holder, and finished with washing herself off. I just watched for a moment, stunned and smitten and overwhelmed. Then, little sister instincts taking over, I shouldered her out of the way so I could get some of the hot, luxurious water.

I grinned happily as Violet wrestled me back to the side. I could find the new balance. We both could, together. I didn't want to make things too easy for her, even though I meant it with every breath of my being that I could be good. Like she'd told me though, it wouldn't do to be too good. That would steal some of the fun out of it.

****

While it didn't become a daily occurrence exactly, Violet and I found frequent opportunities going forward to be bad together. One or both of us got pissed all over multiple times a week, and licking each other out began to replace masturbating entirely, at least for me. I couldn't swear to precisely what habits my sister enjoyed, other than I knew for sure she liked taking advantage of my eager little tongue when she was in a horny mood.

I found that sneaking into the bathroom with Violet first thing in the morning, or indeed just before bedtime, tended to get pretty consistent results. Catching her with a full bladder in the best location to not have to clean up a mess after meant that it didn't take much work on my part to get her pussy shoved at me and a hot, golden stream all over my face and down my front.

Violet let me pee on her a lot too. She enjoyed it the same as I did. She was, however, more prone to creativity or sometimes honestly just seeing what she could get me to do.

I was pretty much a sucker for doing naughty things on command as long as I knew it was going to be fun. So I found myself in compromising positions like contorted upside down in the shower where Violet could make me piss all over my own face while she watched and smirked.

I might have taken offence to that if not for her follow up of sitting on my face and drowning me in her piss as well, while she simultaneously licked my bum and shoved her fingers in my soaked pussy.

My degradation was always rewarded. That was the key, really. As hot as it was, I didn't know that I would have been so docile about keeping up with my sister's imagination otherwise.

She was really, really good at making me cum when she had her mind set on it. Even if a large part of it was in service of getting herself off.

I could only imagine what sort of things we might have gotten up to if not for having to keep our fun a secret. Our parents' presence was the biggest obstacle. Neither Violet or I had much interest in Mom and Dad knowing what incestuous piss sluts we actually were.

They did, however, catch on to the fact that Violet and I were getting along too well lately. Or at least Mom did. Dad, I suspected, wouldn't allow himself to verbalize such an observation lest he jinx it. Mom tended to be more direct when her spidey-senses tingled.

"You two have been awfully quiet lately," Mom said at dinner one evening.

Violet and I glanced at each other. She wasn't wrong, but neither of us wanted to explain that we'd found new outlets for our frustrations with each other, and they mostly involved making each other cum on a regular basis, or indeed basking in the satisfaction of drowning the other in piss. Often both sequentially.

Sorry," Violet said. "Prude bitch," she added casually to me.

"Stupid whore," I replied just as amicably.

Mom sighed loudly. "None of that. I just meant... is there anything we should know? Any... trouble?"

"Vi's in a street gang," I supplied instantly.

"Iris has been too busy dealing meth to be a bother," Violet said just a touch slower.

Dad patted Mom's hand. "Perhaps just--"

"I'm dropping it," Mom said, narrowing her eyes. "Just know that if there's something going on...."

As far as her threats went, this one hardly registered. Then again I wasn't sure I'd ever witnessed our mother so utterly in the dark about what trouble Violet and I were up to. Because we very much were up to mischief. It just so happened that we were permanently on the same team for once.

I watched my sister sidelong after that particular thought. It actually felt rather warm and nice to consider us as a team. Not just a fleeting partnership of convenience, but actually bonded by something bigger than our individual concerns. Arguably being sisters should have had a similar effect all by itself, but traditionally that was a flimsy excuse for caring about each other.

I let my foot settle next to Violet's under the table. She didn't outwardly react, but she didn't pull away either.

I really liked being close to her, I realized. I enjoyed the kinky sex on its own merits, but I truly loved that it gave us an excuse to not hate each other. Or, perhaps, a less damaging way to take out our mutual aggression.

Had I actually hated my sister, or had I simply found her too arrogant and insufferable to enjoy her presence and our sisterly bond for more than a few hours at a time? That was an interesting question.

I posed it to Violet later on when we took an evening walk together. She took her time considering it.

"It depends on how one defines hate, I suppose," she said eventually. "But I might say that no, I don't think I hated you. I just couldn't stand you a lot of the time, is all."

I smiled and slipped my hand into hers. She once again didn't react, but also didn't pull away. She did, however, take another long drink from the water bottle she carried in her other hand. I was getting excited watching her hydrate and wonder what she had planned.

It turned out I made a cheap and easy date. All it took was heavily drinking water in front of me to get me turned on.

"You like me better when you can drown me in piss any time I get annoying, huh?" I said cheerfully.

"It helps," Violet agreed. She squeezed my hand. "You're a good little piss slut."

I blushed happily and walked along beside her, absolutely oblivious to anything other than having her next to me.

Violet eventually stopped in a semi-private spot when she'd finished her water. I was a little disappointed to watch her fill the bottle back up with her pee instead of making me a public toilet somehow, though I recognized that it was still pretty light out and there were far too many witnesses on the way home for me to make the trek dripping in her piss.

She made me carry her water bottle as we headed back home. It was then that I understood her understated but humiliating genius.

Being a clear bottle, the yellow colour of the liquid inside was all too obvious. The heat of it was noticeable in my hand as well, as though I needed that constant reminder.

There was no reason for anyone to look closely at my 'drink', but if they did I wasn't sure there was any way to hide what I was carrying.

Violet hadn't even touched me, other than holding hands, and still she had me making myself all wet and horny on our walk home.

I contemplated the piss bottle in my hand as we strolled back. I couldn't help myself but take the occasional sip from it, much to my sister's amusement.

"Think you could drink it all?" she asked.

"Nah," I said. "Unless you're interested in me throwing up all over your cooch later."

Violet snickered. "I'll pass, thanks. Why do you drink any at all though in that case?"

I shrugged and took another sip. "I dunno. Makes me feel nice and slutty, I guess."

"That's you," Violet purred. "A little piss slut."

My cheeks heated and I bit my lip shyly.

"You usually drink some when I piss on your face, don't you?" Violet asked.

I nodded. "Usually, yeah."

"Hehe, good girl. See how much you can finish before we get home, ok?"

I was so fucking turned on. I did my best to drink more from Violet's water bottle, but I didn't even quite make it to halfway through as we neared our house again.

"It's cooled down too much," I complained, making a face. "It's weird now."

"Pff, yeah, now it's weird," Violet laughed. "You've been drinking your sister's piss out in public, but the temperature is what's weird."

"Don't be mean," I whined, even though it only made me wetter.

Violet smiled and turned to me. She tilted my chin toward her and kissed me, right there on the sidewalk, not too far from where neighbours might recognize us. It honestly made me melt into her.

"You're such a good little piss slut," she praised me. "Such a good girl. Such a good, slutty sister."

I nodded, silent and wide-eyed, watching her hopefully.

"Dump the rest out," she said. "I'll take care of you when we get home."

She did too. Violet used a vibrator on me in her bed later on, and not only did she make me cum hard, but she kept making me cum, even past the point where I was pleading to have a break. It was like she was trying to break my mind from repeated orgasms. She grinned ferally when I thrashed beneath her and only pinned me down more firmly.

I was wiped out when she let me rest and recover, and she casually vibed herself for a while instead of asking anything of me. I had nothing to give just then.

"You made a bit of a mess there," she teased me.

"You made me squirt," I said. "And that is entirely on you."

"Sure you didn't pee yourself?"

"Coulda been either," I said. "Or both." I just shrugged. I didn't have it in me to think too hard or to debate for very long.

"Good thing I put that waterproof mattress cover on if you're gonna do things like that," Violet said.

"Oh," I said. "That's what feels different. So I can--"

"No you may not pee my bed," Violet said firmly. "Behave."

I grinned impishly, but did in fact behave myself. I mostly just wanted my sister to finish herself up so we could go to sleep.

I curled up naked with her once we'd both been satisfied and had a trip to the bathroom and back. That's where I most wanted to be, was close to Violet, in her arms, feeling her pure heat and softness against me. It was perfection.

****

It seemed fair to say Violet and I became obsessed with each other. I didn't know a better term for it. If she'd been anyone else I would have said I was falling for her, but even now that just seemed like too weird a thing to think about my sister.

I enjoyed spending time with her so much more though. Even without kink or sex involved. We could just hang out and talk or cuddle or whatever. It felt cozy.

The key seemed to be that we had outlets now that let us release all the pressure when one or both of us started getting agitated or annoyed. A healthy dose of sharing cums and soaking each other in piss really took the edge off our old relationship dynamics. We could coexist in peace so much more easily.

The odd thing was that I began to be a bit despondent about having to be a secret. I understood it. There wasn't really a way around it that I could see. It was just something that struck me sometimes when I was cozied up to Violet while we each played on our phones, or while we lay naked in bed falling asleep together.

I expressed those feelings to Violet and she seemed to understand, but I didn't think at the time that it was going to get us anywhere. That turned out not to be totally correct.

Violet invited me to come drinking with her friends a few weeks later. That was unusual in itself. That had been the sort of thing that maybe would have been tolerated if they were hanging at our place, but absolutely not if it was anywhere else. Despite that, it didn't feel out of place for me to go with her. Things had shifted enough between us.

Conveniently for us, we were headed to a friend's place that was in walking distance, and we could stroll along carrying our booze and occasionally holding hands even, though the latter was mostly through my efforts. I was clingier than she was, I could admit it.

It was just dusk when we really got started. Five of us sitting around a fire in Amanda's backyard. I knew Amanda, Melanie, and Lucy decently well. They'd all been my sister's friends for a while. I was a little worried about how they'd feel having me around, but none of them seemed bothered at all. I was just another part of the group getting slowly drunk and silly, albeit a shyer and quieter member of said group.

I didn't feel as comfortable and relaxed as if I was hanging out with my own friends, and that was ok. I felt like Violet was including me in her life a little more and that was about all I could ask anyway. She didn't even owe me that much, really.

I should have known it wasn't anything as simple as that.

"Well, I gotta piss," Violet announced to the group at large.

I ignored her statement at first, other than to vanish into my own daydreams and smile slightly to myself thinking about where I'd like her to piss. I was fairly drunk by this point, and apparently it didn't take much to get me horny too.

The tone of the talking and giggling around the fire changed though, and I slowly realized Violet was grinning at me and removing her pants.

"Come here, Iris," my sister urged.

I blinked and flicked my gaze around. "Um...."

"What, shy all of a sudden?" Violet asked.

She stripped her bottoms off and got her pussy out. I blushed at the implication, and then only got redder and warmer as I noted how many sets of eyes were firmly and curiously on me.

"Vi..." I breathed.

"Are you gonna come here or what?" she asked.

"In... in front of everyone?" I squeaked.

"If you want," she said.

I looked around again. It was so unfair setting me up like this. Setting me up to be her piss slut in front of her friends.

That didn't mean, however, that I was going to say no.

I trembled, I actually shook, as I crawled between my sister's legs. I didn't think she could actually get me hornier, do anything wilder and stupider. I supposed that was my fault for lacking imagination and underestimating Violet.

"You really want your friends to know?" I asked in a near-whisper.

Violet shrugged like it was no big thing. "Little late to be asking that now."

She unleashed her piss on me, and I sputtered in surprise before getting a hold of myself. I latched my mouth on Violet's pussy, swallowing some small amount of the torrent and letting so much more overflow down my chin and soak my shirt. I pulled back and let her douse my tits more directly, alternating with filling up my mouth again and again, sometimes drinking some down, sometimes just letting it be an overflowing piss-catcher.

I was burning hot. The difference it made being a piss slut in front of my sister's friends was overwhelming. I had no idea what reaction Amanda, Melanie, or Lucy might be having to any of this. I had no intention of looking at them right now, and maybe not the rest of the evening. This was excessively slutty for me, even given my recent behaviours.

But they must have been prepped at least a little for this happening. They must have been. I heard murmurs and shocked giggles break out, but no frantic disapproval or chastisements.

Violet's pee eventually trickled down to nothing. I stuck out my tongue for the last of it, then licked her pussy a few times when she was finished.

I looked up at my big sis, so desperately horny now after what she'd done to me in front of her friends. It was incredibly humiliating, but only in the very best ways.

"Good girl," Violet said languidly, patting the side of my head affectionately.

"That was crazy," Melanie laughed. "I can't believe you really did that."

"Vi's always up to something," Amanda snickered.

"Yeah... but her sister though," Lucy said. I couldn't tell if it was reproach or awe in her voice, and I still couldn't bring myself to look around and find out.

I couldn't help myself but try to climb into Violet's chair with her. It wasn't at all built for two, and she tried to playfully fend me off, but I was determined and managed to straddle across her lap and wrap my arms around her.

Violet sighed. "Guess I'm wet too now."

I had indeed made a pretty big mess of her in return just from pressing my piss-soaked body to hers.

"That's what you get," I purred.

"Oh is it?" she asked lightly.

I grinned and let my own bladder release. I somehow didn't think she'd been expecting that, at least not right away. Violet squawked at me and tried to push me away, but I had a tight enough grip that she couldn't get rid of me fast enough to avoid my piss soaking through my jeans and all over her lower body.

"Yeah," I said smugly.

Violet rolled her eyes, but made out with me a bit while I remained in her lap. I almost thought I was entirely forgiven until Melanie needed to pee and my sister unceremoniously dumped me on the ground.

I was close enough to the fire to get its warmth, and more importantly to be able to see Lucy clearly as she stood above me, pussy out and highlighted by the flickering flames. She definitely had been more interested than scandalized, it seemed.

I probably made for quite a slutty little sight myself, especially when I opened my mouth for Lucy. She squatted over me and pissed all over my face and neck and chest. I spluttered and laughed as I was drenched again. This marking the first time getting pissed on by someone other than my big sister. It didn't hold quite the same emotional intimacy, but it was just as slutty and horny.

"Good girl," Violet said, watching me lazily from her seat as Amanda also decided to use me as a toilet in front of the whole group.

I couldn't decide whether to be thrilled and happy with my lot, or embarrassed and ashamed ever after, or just tug my pants down and rub myself silly in front of everyone. There was so much going on in my head.

I reached for my sister, arms outstretched, even as I blinked away a few errant drops of piss from my face. Violet shook her head and didn't move, but I kept flexing my fingers in a grasping motion and pouted in increasingly pitiful ways until she relented and joined me on the ground, holding me tight while Melanie pissed all over me too. All over the both of us, really.

Lucy knelt down next to me afterward in all my piss-soaked glory. I bit my lip and drew comfort from Violet's embrace.

"You're... really into this?" Lucy asked softly.

I nodded shyly but without any hesitation at all. I had no questions about who I was. Not in this context.

Violet's friends took it in stride, more or less. They'd all peed on me now. I'd fully stared at three brand new pussies while they splashed piss all over me. The three of them sent the occasional follow-up question to Violet or me, but largely everyone just got back to drinking and laughing about all kinds of shit.

It was like I wasn't anything unusual to behold. Not for very long. I appreciated that. Feeling like I belonged, even after demonstrably being a bit of a freak.

But Violet was too and that counted for a lot, I thought. I clung to her in a way that would have annoyed her so very badly not long ago. Now, I supposed, any time I irked her she got to shove me down and piss in my mouth.

I remained everyone's toilet for the night in any case, saving all kinds of trips indoors to go to the bathroom. Why bother when I was already a mess and happy to take more and more. Sometimes I dragged Violet in with me, sometimes it was just me. I was happy and horny either way, even when my sister pretended not to want to cuddle me after I'd been freshly peed on. She didn't fight hard enough to keep me off. I didn't think she really wanted to.

As if to prove my point, Violet once again held my hand at the end of the night when we walked back home again. She even went further and wrapped an arm around my shoulder to hold me while we walked once I started getting cold and shivering a little.

"I miss the fire," I said.

"Shouldn't be walking around at night in wet clothes," Violet commented dryly.

"Ha freaking ha," I said.

She smirked at me. She was actually quite breathtaking in the moonlight, not that I'd tell her so. It would be too humiliating to compliment her like that. I was a serious piss slut for my sister, but even so I had to have standards.

"You were pretty sexy tonight," Violet said.

I ducked my head and blushed. It was kind of no fair she could say things like that and get me embarrassed instead of her.

"Thanks," I said.

"Makes me wonder what else you'd do," she said.

"With... other people around?" I asked.

"Maybe."

"You liked having your friends piss on me too, didn't you?" I accused.

"Well duh. Wouldn't have asked them to otherwise," she said. "Besides, you loved it."

I had to nod agreement. I did, in fact, love it.

"We were talking about a party in a couple weeks," Violet mused. "Maybe you could come too."

I wanted so badly to ask how many people she'd want to use me as a public toilet, but I didn't think she'd tell me. Besides, if I knew, I might not go. And I really, really wanted to go.

"That's all I am to you, huh?" I said. "A piss slut?"

"And a regular slut too," Violet assured me. "You think you're getting out of eating me out when we get home? Think again."

I grinned and felt a warmth spread inside me despite the chill night air. My big sister's arrogance--once my greatest source of vexation--had well and truly become a reliable source of arousal for me. She got me so fucking horny without even having to try sometimes.

Then again, she'd put the work in already tonight. It didn't mean I was easy just because a few horny words had my pussy dripping in anticipation.

Our parents were long since asleep which made our stealthy return to our house fairly easy. That was a good thing, because we were both tipsy enough not to actually be all that sneaky about it.

We both chugged some water before heading to the shower. Sure there was hydration to think of, but Violet and I had our more specific reasons too. She was not at all subtle about getting me naked and in the shower so she could unleash her piss all over me again while I giggled and let her drown me a little, as a treat.

"Lick me, Iris," Violet urged softly. "Lick me."

I nodded and attacked her pussy like a good little sister. I was so turned on and wanted to get her off almost as much as I was looking forward to my turn having her play with me.

I made Violet cum once for me, then another time as I latched on to her clit and sucked while staring up at her as cute and slutty as I could possibly manage.

"Good girl," she praised me after in that way she was training me to crave. "You're getting so good at that."

I beamed and nodded. "Now me?" I asked.

Violet gave me a teasing grin and turned on the water. She made sure to turn the spray away from us until it hit temperature, then let the beautifully warm cascade hit us both and start to cleanse our night's depravity. I'd warmed up naturally anyway, but the added heat still felt amazing on my previously shivering body.

"You think you need licked too?" she asked me.

"Of course!" I said immediately.

"I suppose you did behave pretty well tonight," Violet mused.

I frowned as I stood up. "You're acting like I need to earn it," I pouted.

"Nah," she said, brushing her hand on my cheek. "You're just really cute when you get worked up."

Violet kissed me tenderly, taking all the wind out of my indignation.

"You're really cute when you get embarrassed too," she added just before sinking to her knees.

I put a hand to my cheek where she'd been touching it a moment ago. Was I blushing? Probably, unfortunately. Although if Violet thought it was cute....

I gasped as her skilled tongue danced on my pussy. I needed it so badly. I needed to cum.

Still, even in the depths of my pleasure, I burned with the feeling of Violet telling me I was cute and a good girl. I craved these things more than any individual orgasm. This was most definitely not how sisters were meant to bond with each other, but for us maybe this was exactly what we'd always needed.

Violet made me cum once with her mouth, then once more with her fingers in me and the showerhead massaging my clit. I was all wobbly after my second cum and kind of just clung to her while we got finished cleaning off.

I wasn't quite sure how she managed to get me out of the shower, dried off, and guided to bed. I was lost and dreamy, and only wanted to hold on close to her. My wet, naked, wonderful big sister.

We settled together so very cozily in Violet's bed. We were clean and pristine, her bed was soft, and she was warm.

"You're such a good little slut," Violet purred to me. "I'm going to have so much fun with you."

"Mmm, you think so?" I asked dreamily.

"I can do anything I want to you," she said confidently, nails gliding down my bare spine.

"That's... kind of true," I said.

"I could have so many people piss all over you," she said. "Or... I could save you just for me. I can do anything I want."

I looked up at her and grinned.

"What's so funny about that?" she asked lightly.

"First of all," I said. "I think it's funny that you're still horny and trying to get me going again even when we should be getting some sleep."

"Wouldn't hurt to get my pussy licked once more before bed," Violet admitted, starting to match my grin.

"Second of all," I said, slowly pushing myself up on top of my sister, straddling her warm, naked, clean body in her bed. "You forgot something kind of important."

"Did I?" Violet asked with a small laugh. Her hands traveled up my sides to my tits. She pinched my nipples, then ran her hands back down my tummy. "I've got you naked in bed. I can pin you down easily. We both know it. And what's more, you'll love it. What did I forget, do you think?"

I flashed one of the most mischievous smiles of my life at her. "I haven't peed since we got home."

Violet's eyes widened just as my piss flooded out all over her front, across her body, and onto the bed beneath her.

"Iris no!"

I giggled. "Iris yes."

I felt Violet's hands tighten on my hips, prepared to lift me away or push me off. After a beat they loosened and my sister just kept feeling me up while I unloaded a painful amount of piss all over her, including scooting up to get her face good too.

"You saved that deliberately, didn't you?" she accused.

"Maybe," I said. "You got that mattress protector thing. Feels like a shame not to make use of it."

Violet sighed. "We were just so clean a moment ago."

"I know," I said, feeling the buzz of getting us both filthy again.

"You're doing my laundry tomorrow," she said.

"We'll see," I retorted.

Violet waited until every little bit had leaked out of me. She rubbed my wet pussy after, just a tease before flipping me over and shoving me face-first into the worst, wettest part of what I'd just done to her bed.

"I was starting to feel bad about some of the things I thought about doing with you," she growled, fingers sliding into my pussy from behind.

I arched my back and lifted my hips, giving her full access even while she kept my face pressed down into the pissy mess of the bed.

"I thought training you to drink a full load of piss was too much," she said. "Or tying you up at a party so you really could be used by anyone. Or pissing all over you in broad daylight somewhere and making you walk home. But you'd just want more, wouldn't you? You'd come home and pee on me and my bed again. Or something equally as bad."

I moaned as she finger-fucked me. "Well... it does kind of work out for me."

Violet really pounded my pussy with her fingers. She hadn't done anything quite like it before. Between that and holding me down in my own mess, it was certainly one of the hottest things she'd yet done to me, even if her tongue and lips on my clit were probably a better way to actually get me off.

She kept describing ideas she had of what to do to me. Going in to ever more lurid detail with the savage fantasies. I loved it.

I was pretty sure she wouldn't really do any of the things she threatened. At least not to the extremes she suggested. She'd make sure I didn't actually get put in a dangerous situation, after all. At least she probably would. Unless I provoked her well enough.

I kind of hoped she'd share me with her friends again though. That had made for a fun night.

Violet made me cum with her fingers and her dirty, dirty fantasies. A little dazed after, I still made sure to crawl between her legs and tenderly administer to her pussy. I could be a good girl when I wanted to.

We both mellowed back out as I licked and sucked my sister to a couple really nice orgasms. I would have kept going indefinitely if she hadn't stopped me and forced me back into a cuddle.

"Then again," she said. "Maybe I'll keep you all for myself. My own little piss slut."

"And your good girl," I said.

"Yeah, Iris. And my good girl."

I smiled and clung tight to my big sister. "Good night."

"Yeah, you too," she murmured. "Don't forget about doing my laundry tomorrow."

"We'll see," I teased sleepily.

Violet gave an impressive sort of long-suffering sigh, but then she kissed the side of my forehead and held me as we drifted off to sleep