Rena has been worried about her relationship with her son-in-law, Shinichi, since she remarried. Rena, who thought she was confused by her new mother who was suddenly born, headed to Shinichi's room to find out today, and Shinichi's appearance was indulging in masturbation. Although he is disappointed, he decides to change to a chance to get along and breaks into the room. "Do you want to know the body of a woman? I can't do it until the end ... I just need to rub it."
