After losing her husband in an accident, Yumi raised her son Yasuo single-handedly. Kazuma proposed to her knowing she had a son, and they remarried. The three of them went to the beach for a swim. However, Yasuo did not accept the remarriage and, boasting that his mother was only his, he buried his face in Yumi's crotch as she slept on the sand and slid his hands over her voluptuous body. Unable to control his feelings any longer, Yasuo inserted his penis into his mother's ripe vagina. On the quiet shore...
