A gorgeous mature G-cup housewife named Yoda Kimiko plays her first drama role as a beautiful mother-in-law living together with her daughter and son-in-law. When her stepson confides his suspicion that his sister might be cheating, she feels responsible and decides to help him by relieving some of the tension herself. She believes this to be her own form of atonement, but her alluring tongue techniques drive her stepson wild beyond control.
