Walnut was living a happy married life with her husband and father-in-law, who had lost his wife. However, she accidentally saw her father-in-law masturbating and was raped by him in a fit of rage. From that day on, she was repeatedly impregnated with creampie sex! She was swept away by the amazing technique of her father-in-law, which was different from her husband's, and the pleasure of impregnation... She was carried away by the pleasure of impregnation and had an immoral affair with him, not caring that her husband was at home.