Sumire lives a comfortable married life with her kind and gentle husband. However, Sumire has one complaint. She lives with her irritable and insensitive father-in-law. She is fed up with living with her father-in-law, who even sexually harasses her on a daily basis. One day, her father-in-law finds her asleep when her husband is not around. Taking advantage of his son's absence, he pushes her underwear aside, devours her genitals, which smell of female and sweat, and thrusts his cock into her, mercilessly raping her with a creampie. From then on, Sumire's young body continues to be defiled by her father-in-law, who attacks her whenever he gets the chance...