The Himesaki couple move to Tokyo when the husband is transferred. The wife, Hana, is from the countryside and doesn't know how to suspect people, so she has a low level of Kokoro. While she is busy doing housework, wrapped in only a tank top and covered in sweat, the husband of the next door neighbor comes by to say hello. He is so into her big breasts that he wants to bite them, so he tries to get closer to her and does more than he should. He falls for the man's tricks and ends up devouring the innocent wife's exquisite body.