With her husband Shinsuke's business in a slump, his wife Aiko decides to rent out one of the rooms in their home. While she, a chiropractor, is busy with work, Shinsuke is having an affair with the young Hitomi. Hitomi appears in front of the unsuspecting Aiko, saying she saw a sign saying "Room for rent." Shinsuke and Hitomi pretend to be meeting for the first time, but they end up having sex whenever Aiko isn't looking.

Cast

Yui Kasugano

Hitomi Ishii

Mayuko Sasaki

Aiko Katô