"I'm thinking of taking the entrance exam for medical college. My mother feels at ease." Tsubaki was told by his son, who had lived on a three-legged race for a long time. The boy always took good care of his mother, and he believed that he was the most important and did not doubt. However, although it was kept secret until now, the mother had a dating man who was thinking of remarriage. "I wasn't the best ..." A son who hits his mother with intense jealousy and raised inferiority. The act aroused my mother's lust and became a captive of immoral acts.