Kusakabe Akihito's wife has cheated on him and evaporated him. This is the trigger for him to start living with three complicated people: his wife's mother, Sayuri, his aunt Fujino, and his wife's lover's wife, Mutsue. Encouraged by the always bewitching Fujino, Sayuri's ``woman'', who has long since been ignored by her husband, awakens again and becomes a prisoner of lewd sex. However, Fujino, who has been staring at Akihiko for a long time, is not amused, and the relationship between the two becomes tense, but due to Mutsue's quick wit and involvement, an unexpected development takes place, and the situation changes dramatically. ...? What will happen to Urayama's sexual life surrounded by beautiful women under one roof? ?