Incestuous siblings' forbidden masturbation

Bored and annoyed, step-siblings Michelle and her brother resort to masturbation to pass the time. Michelle fingers her wet pussy while stroking her big ass, trying to be quiet. Caught by her brother, they argue, but later decide to masturbate openly in front of each other. Seeing her brother's thick, straight, huge cock, Michelle fantasizes about it plunging into her tight cunt. Just as they're about to act on their mutual yearning, someone enters, forcing them to abruptly end their erotic encounter.

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