"I'm thinking of applying to medical school, and my mom will be relieved." Tsubaki was told her path by her son, who had been living with her for a long time. The son always cared for his mother, and his mother never doubted that he was the most important. However, although she had kept it a secret until now, her mother had a man in a relationship who was thinking of remarrying. - "I wasn't the best ..." - A son who hits his mother with intense jealousy and raised inferiority. - The act aroused her mother's lust and she became a captive of immoral acts.