Kurumi, who had been living a happy married life with her husband and her father-in-law, who had been widowed before her, accidentally saw her father-in-law's self-gratification and was then raped by her out-of-control father-in-law. From that day on, she was subjected to daily impregnation and creampie sex! Surrendering to the pleasure of her father-in-law's incredible skills and impregnation, which were different from her husband's, she indulged in the immoral affair, regardless of her husband being at home.