With the marriage of her daughter, Maki, mother Ai has finished raising her children. Just as she is about to enjoy her own life, she is asked to mediate her marital relationship. Even if she listens to Maki's story, she doesn't get her point, and she will listen to her son-in-law, Shinichi. It is said that Shinichi was in love with her mother-in-law. Shinichi can't stand her overflowing feelings and pushes her down, but Ai holds her back. However, when she touches the man's skin for the first time in a long time, she feels a tingling sensation in her body, and her loving hand unconsciously goes to her crotch.
