Yuko, a wife, lives a boring, ordinary, and dissatisfied life with her husband Kensaku, who has nothing else to offer but a stable income. One day, a remodeler comes to the Shiraki house to redecorate the room. Seeing the muscular, bulging body like a sculpture, and the smell of sweat wetting the tank top... Yuko becomes dizzy as if she has been given an aphrodisiac, and loses all sense of reason...