Tsukasa is a way of living without inconvenience. Her husband 'Maichi' is a famous Patissee. However, a cold man who sometimes treats her as 'food' and has sexual intercourse. Mamor, the son of a man, secretly scolded his stepmother 'Katsusa.' With a true secret, Mamor sends an anonymous letter to her mother, who quickly crosses the line between her and her son. She is too jealous of her young mother 'Katsusa' who looks pure, and her son's sexual intercourse.