On her way home from jogging, Rin meets a student who lives in the same apartment. Students are flabbergasted by her wonderful beauty. Seeing him like that, "Rin" remembers her excitement and brings her to her home to act as a slut. Her young cock turns her into a female and repeats her sexual acts, but the man who has become serious demands "Rin" to divorce her. The lives of three people, including her husband, go crazy.
