Ayumi married a divorced man who is twice her age and has a child. She was living a happy married life, but there was one thing she was worried about. It's about her son-in-law Kodai. She is in a rebellious phase, has quit school, and is wandering around without a regular job. She thinks that she needs to be a good mother to her... A young and beautiful woman, who is closer to her father's age, comes to her house, which has always been unfeminine, and is irritated by her meddling and lectures. Her sexual desire explodes...