For 16 years, she believed her wife was a dead fish… During unfaithful intercourse, she convulsed and soared to climax, experiencing a continuous orgasm until she fainted. (Isshiki Momoko ROE-475)

The beautiful and gentle housewife, Momoko, lives happily with her excellent husband, Sadaharu, and her nephew, Hayato, who is retaking his exams. However… this couple has a big problem. That is… Sadaharu's terrible sex life combined with Momoko's utterly lifeless attitude. One day, Hayato witnesses this and is deeply shocked by Momoko's lack of interest. Although he is a virgin, Hayato is confident in his large penis and the skills he has acquired in the sex industry, believing he can satisfy Momoko. So he takes Momoko's lips and begins to have sex, but… he is faced with an orgasm beyond his imagination…