Shiori Aiuchi is invited into a more erotic, more sensual world. Having only recently lost her virginity, she is growing at twice the speed of an average girl. Every time her vagina is caressed vigorously, obscene liquids flow endlessly. During her first ever threesome, she becomes so sensitive that she urinates every time the penis is pulled out, and the intense pleasure drives her vagina wild, causing her to squirt like a fountain. Shiori's urination just won't stop...