Yuta has a secret, he loves his mother as a woman! He secretly masturbates while thinking about his mother, imagining having sex with her and feeling disgusted with himself! One day, Kaori discovered this. Instead of getting angry, she wanted to comfort, encourage, and help her beloved son satisfy his desires of adolescence. And thus, the twisted relationship between the two mother and son begins. Yuta, with the vitality of a healthy young man, and Kaori, long deprived of intimacy, both start to become addicted to this extremely wrong behavior...