The husband's father visits the couple. His daughter-in-law, "Nozomi," remains beautiful, while the father, having lost his wife and quit his job, has fallen into despair. He resolves to make Nozomi his sexual servant. One day, he catches her masturbating and uses it as leverage to blackmail her. Despite her resistance, her body succumbs to his experienced lovemaking, and she is taken by her father-in-law's cock right beside her sleeping husband.