The mother, Mai, and her son, Tatsuya, had a relationship between a man and a woman without her husband's attention. - It's bad that my husband doesn't pay attention to me because he's always at work. - Mai was trying to escape from her guilt by making excuses for herself. - However, Mai's indebtedness to her husband grows day by day, and she can no longer bear it anymore and tries to break off her relationship with her son... - The son becomes addicted to Mai's body and becomes a sex addict, and he can't stop. - Even though Mai refuses verbally, her body yearns for her son...