Son 'Makoto' who was against his father's remarriage. However, his father remarried and started living with his mother-in-law 'Nozomi'. One day, when she finds out that Nozomi has an affair with her, Makoto begins to harbor devious feelings towards Nozomi, and she begins to make sexual demands on her... Her mother-in-law, who turned into her son's sexual processing tool, drowns in pleasure while enduring acts of masochism as a prisoner of her son's cock!
