Maki was living a happy life without any inconvenience. However, she was hiding something important from her husband. That is, she had a physical relationship with her son. Although she knew it was wrong, her body was addicted to pleasure and was running wild without listening to her. The thought of wanting to have sex with that boy was running through Maki's head. Furthermore, her son, who had gotten a taste of his mother, was reaching his limit, and the forbidden sexual relationship between the two escalated like a rolling downhill slope...