Mao, who should have been a good wife, had a serious secret from her husband. He had a physical relationship with Satoshi, her son. One day when she was dissatisfied with her husband who is a working man, her husband was alone with Satoshi on a business trip. Mao falls in love with Satoshi, who has grown strong. From then on, the adolescent Satoshi couldn't stand the sex he had just learned, and immediately began to seek Mao... Even today, the moment her father goes out, the mother and child mix.
