Newlywed Karin has G-cup, 98cm big tits and spends her days dutifully doing housework for her husband. One day, a neighbor named Noda contacts her, saying her underwear was found on the balcony. Embarrassed, Karin retrieves it—only to discover it's covered in a large amount of sperm. Noda, present at the scene, threatens her and calls over his friends. Karin is treated like a dog, her hands bound, drool dripping from her mouth. She's played with like a toy by the group, one after another forcing their thick cocks deep into her throat. As cocks invade her lower hole too, Karin gradually loses her sanity, beginning to feel pleasure from these strangers' cocks...