Incestuous siblings' bathroom rendezvous

Bored teens Michelle and her stepbrother find themselves alone and horny, masturbating in secret. Caught by him in the bathroom, she's embarrassed but intrigued by his hardness. They argue, then make up, deciding to masturbate openly in front of each other. Michelle admires his thick cock, fantasizing about it inside her. Just as they're about to act on their mutual desire, someone interrupts their taboo encounter.

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