Yuu, a married woman whose body is throbbing with desire because her husband doesn't pay her any attention. While taking care of a young man living next door who has caught a cold, her desires grow and she seduces him and they have sex. Yuu then sends her husband on a business trip and calls the young man back. When he enters Yuu's room, he finds her with another man. She invites the confused young man and they indulge in lewd acts...