[MUDR-150] Adolescent Cuckholding My Girlfriend Was Fucked By An Unknown Older Man… Miruku Himeno

A couple is close, often staying at each other's homes when their parents are away. But one day, their world is turned upside down when the girlfriend is targeted by a stranger—a plumber who comes to the house for a repair. He takes advantage of her, and the boyfriend witnesses the horrifying act, left to grapple with despair, fear, and a strange, unsettling arousal as he hears her unfamiliar moans.