The next day, dawn broke over the endless horizon.
A warm golden light spilled across the beach, seeping into the mouth of the crude cave where Kyle lay sprawled on his bed of dry leaves. The smell of salt and damp earth mixed with the crisp scent of morning tide.
Kyle woke with his heart already pounding—not from fear, but from a bubbling, almost childlike excitement.
I'm not dreaming. I'm really here… in the world of One Piece!
A laugh broke from his lips before he could stop it. "Damn it! I actually became a Devil Fruit user!"
He pinched his thigh hard—so hard he hissed—but the clear, stinging pain only made him grin wider, like a kid who just got told all the candy in the store was free.
In his past life, Kyle had been ordinary—painfully ordinary. The kind of person who blends into the background in class photos. Now, he was standing on a land where miracles were real and adventure was the default lifestyle.
And on top of that, he had eaten a Devil Fruit.
After the initial burst of joy, reality quickly reminded him of the next logical step—going to sea.
I have to see it all. The Grand Line. The islands I only saw on a screen. The people who shaped this world—Luffy, Zoro, the Straw Hats… Just thinking their names made his blood run hot.
But his daydreams hit a brick wall. He looked around. Other than this crude cave, the endless jungle, and the stretch of beach, there wasn't a single plank of wood big enough to be a boat.
"Great… I'm going to have to build a ship from scratch?" His mouth twisted. "What if I make it wrong, and it sinks the first time I hit a wave? My grand journey would end at the starting line."
He flopped back onto the leaf bed with a sigh.
Clearly, the only realistic option was to wait until a passing ship came by.
Still—waiting didn't mean wasting time.
He clenched his fists and looked at them with burning eyes. What exactly can my fruit do?
The white Devil Fruit he had eaten—the one that tasted like someone distilled every biochemical weapon in history into one bite—wasn't in any of his previous-life One Piece knowledge.
No wiki article, no fan theory, nothing.
Guess I'll have to figure it out the hard way.
---
Days of Frustration
He started simple—imitating movements of Devil Fruit users from his memories. He tried extending his hands dramatically, snapping his fingers, even shouting special attack names into the wind.
Nothing.
He tried running at full speed into the ocean, thinking maybe the power would "activate" in danger. He barely avoided drowning.
He even roared at the sea, which earned him nothing but judgmental stares from passing seabirds.
"Why do other people who get reincarnated here start with three kinds of Haki, a legendary sword, and a clear fruit manual? And I get… a mouthful of poison fruit and zero instructions?"
The only answer was the sound of waves.
---
The Accident
Today, he was doing his usual morning strength training—push-ups, sprints, lifting heavy rocks.
He grabbed one of the largest rocks, ready to throw it as part of his set. But his mind was elsewhere, distracted by days of failure. His grip slipped.
The rock fell—
—and something inside him snapped. A surge of irritation flared in his chest, sharp and sudden. His hand twitched toward the rock.
Buzz.
An invisible ripple pulsed from his palm.
The rock didn't just hit the sand—it shuddered violently… then crumbled into a pile of gravel.
Kyle froze, staring at the remains. Then at his palm.
"…What. Was. That?"
---
Testing the Theory
He swallowed, turned toward a tree the size of his waist, and extended his hand. He thought back to that strange feeling—a pulse, a frequency.
Buzz!
The tree shook as though caught in an earthquake. Fine cracks spiderwebbed along its trunk. Then—crack—the top half snapped clean off, crashing to the ground with a plume of dust.
Kyle's grin was feral. "Yes! Yes! This is it!"
It wasn't just hitting things—it was making them disintegrate from within. Not mere blunt force, but something deeper.
Waves? Vibrations? Resonance?
His mind raced through his school physics. Mechanical waves, longitudinal waves, resonance frequencies… he might not have been a scientist, but nine years of school plus some college gave him more than most people in this illiterate era.
Here, that made him a genius.
---
The Physics Advantage
In his last life, he'd laughed at those online threads where fans explained One Piece powers using "two-dimensional physics."
Now? That same "nerd knowledge" was survival gold.
He thought of Kizaru—light speed powers but limited to flashy kicks and laser beams. If a physicist had that fruit, they'd be bending light around themselves, making illusions, messing with time perception.
Understanding the science didn't make you automatically win fights—but it could unlock ways to use powers that instinct alone wouldn't discover.
And if his power worked the way he suspected…
Was it Logia? If so, he could turn his body into pure vibration waves, immune to physical attacks, and manipulate different wave types at will.
---
The Elementalization Test
He inhaled deeply. "Alright… elementalization."
He imagined his body breaking apart—not into sand or smoke—but into shimmering, invisible ripples.
At first, nothing happened. Then, on the fifth try, he felt… lighter.
He looked at his arm—and nearly shouted. The edges shimmered, transparent and wavy, like heat distortion over asphalt.
He tossed a small rock at it.
Swish! The rock passed straight through.
Kyle's eyes watered. "Logia! It's really Logia!"
---
Training Montage
From then on, his days were a blur of training.
Elementalization came first. At the start, he could only turn part of his body into waves, and it glitched—like bad pixelation in a censored video. But over time, he managed full-body transformation, stable enough to shrug off thrown rocks.
Then he practiced Directional Impact—compressing the vibration waves and firing them like invisible cannons. Small bursts broke branches. Stronger bursts shattered boulders. Eventually, he could blast a wave on the sea surface tall enough to knock a man off a boat.
Finally, High-Frequency Oscillation—imparting a resonance frequency to an object until it fell apart from within. At first, pebbles crumbled in seconds. Later, he could reduce a human-sized rock to dust in one sustained push.
"This is the ultimate ship-killer," he said one evening, imagining himself shattering a Marine warship's armor with a flick of his hand.
He even gave his fruit a name: The Logia Popo Fruit—because the ripple patterns reminded him of boiling water bubbles. (Also, it just sounded fun.)
---
The Cliffside Routine
Weeks passed. Kyle trained daily on the island's highest cliff.
Sweat gleamed on his bronzed skin as he ran drills—dodging imaginary attacks, switching between solid and wave-form, firing off shockwaves at wooden stakes floating in the sea below.
"Boom! Boom! Boom!" Three in a row, all hitting their marks.
Still, he frowned. "Not concentrated enough. Nowhere near a 'Star Shattering Cannon.'"
He turned toward a chunk of strange metal ore he'd found—planning to test his oscillation technique—
—when he spotted movement at the horizon.
---
The Pirate Flag
A small black dot. He narrowed his eyes, focusing his wave-perception outward.
His heartbeat quickened as the shape sharpened into the outline of a ship.
The flag unfurled in the wind—white skull, two crossed scimitars.
A pirate ship.
A laugh bubbled from his throat. "Heh… so the three-year training arc ends here."
His eyes blazed. It's time for the Dragon King to set sail.
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