His mother-in-law, Shoko, comes to visit from her parents' home. Her beauty remains as strong as ever, and her son-in-law, Koji, is Kokoro. However, Shoko is astonished at the couple's unhealthy eating habits... Furthermore, when she learns that Koji has erectile dysfunction and has no sexual relations with her at night, Shoko decides to improve their lifestyle. Perhaps because of this, Koji's penis also grows into a large, impressive penis... Seeing his magnificent figure, Shoko, who has not had sex in a while, cannot resist and begins to play with it as she pleases, saying, "Don't tell my daughter."...