Bruno stumbles upon an unexpected sight as he enters the bathroom, discovering his sister Michelle fingering herself, her big ass bouncing and her pussy dripping wet. They argue, but later, they decide to explore their mutual lust. Naked, Michelle takes in her stepbrother's massive cock as he jerks off. She fantasizes about being fucked by him, and just as they're about to act on their desires, someone enters, forcing them to abruptly stop.