Takeshi uses his weekend off to visit his aunt Norikako. Takeshi has admired the kind and beautiful Rikako for a long time, but by chance he witnesses Rikako and his wife getting violently entwined. Goushi is extremely jealous of his appearance. The next day, Takeshi conveys his feelings to Rikako, who is alone. At first, she resisted, but was touched by Takeshi's hot passion and opened her body.