When her son said, "Let me comfort you," he pressed forward, leaving Chisato bewildered. She tried to resist, but there was no way she could match the young man's strength. When she calmed down and listened to his explanation, he confessed that he couldn't bear to see her masturbating forlornly and decided to comfort her with his body. It was his own kind of tenderness... Upon learning of her son's feelings, Chisato weakened her resistance and accepted this forbidden relationship.