An old husband cannot have relations with his wife, so he secretly cheats; because the family is poor, Fujiura is married off to a rich old man who could be her grandfather. Due to his sexual desires, he takes her home but has never had relations with her even once. When her brother-in-law comes to visit, Fujiura seduces him to sleep with him. For her, that is still not enough, so she also calls the air conditioner repairman and seduces this lucky young guy to sleep with him.