Kanako lost her husband in an accident five years ago. With just one female hand, the family budget was difficult and she raised her son Tetsuro while continuing to work at night. One day, Kanako gets mud and goes home and falls asleep. Tetsuro who came to see the situation sees his mother in a nasty appearance and lusts and attacks. The next day, Kanako, who knew the fact, decided to face her son's sex with her own body.
