Incestuous siblings' secret masturbation session

Bored siblings, Michelle and her stepbrother, find themselves alone and horny. Michelle begins pleasuring herself in the bathroom, her fingers dancing on her clit, while her brother innocently showers nearby. Caught in the act, they argue, but later, curiosity and lust prevail. They decide to masturbate openly, Michelle's eyes widening at her brother's throbbing cock. As she fantasizes about his penetration, someone enters, forcing them to halt their heated encounter.

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