Our heroine is a lonely wife who’s living alone despite after married, A woman who married her long-loved childhood friend, Tomoki. One day she moved into his apartment, with the thought that she might be able to become a better wife for her husband. Upon arrival, she completely forgot that a dirty old fat friend of her also lives together in her husband’s apartment. She became an object to fulfill his sexual desire. She was powerless because of the pleasure she receives from that pervert guy. She had to experience that everytime when her husband leaves them alone for work.