She finally remembered what it was, but she didn't have the time to ask her son where it came from.
As the vibration from the rubber bullet spread, a tingling, electrifying sensation began to emanate from her anus, quickly spreading throughout her body.
Although this sensation wasn't as comforting and warm as when her son's large penis pressed against her anus and rubbed against it, the excitement it brought was much stronger, causing her to break out in a cold sweat.
At that moment, Wang Yue also began to move his penis in and out of his mother's anus, as if he were "fucking" her.
Stimulated by the rubber bullet, a fluid began to seep from Su Mengyan's anus. It flowed down along the crack in her anus and onto her son's penis, and then, as his penis continued to move back and forth, it helped to lubricate the inside of her anus, making his movements even smoother.
