Her husband died early, and her mother, Fumiko, raised her son, Naoki, on her own. Fumiko, who was generous with her affection for Naoki, who was the gift of love with her husband, and now I have to support my mother. Naoki sprouts in such a devoted love. The two people who love each other realize their feelings for each other, and finally cross the line between mother and child and develop into a relationship full of distorted love and lust...