Yuko, a wife, lives a mediocre, boring, and frustrated life with her husband, Kensaku, who only has a stable income. One day, a remodeler came to the Shiraki house to redecorate the room. Yuko's muscles bulge like sculptures, the smell of sweat soaking her tank top... Yuko feels light-headed, as if she's been given an aphrodisiac, and she completely loses her mind...