Yoichi is in love with his wife, Yuko, but he hasn't been feeling well lately. Worried that if things continue like this, Yuko will run out of affection for her, Yoichi secretly buys an aphrodisiac. However, while Yoichi is away, Yuko and her son Kota drink a drink containing an aphrodisiac. Yuko's body heats up and her uterus begins to tingle, and Kota's erection gradually loses its rationality and they begin to desire each other violently and have a physical relationship. Two drowned in pleasure