Incestuous siblings' taboo masturbation session cut short

Frustrated stepsiblings Michelle and her brother find themselves alone, leading to a secret masturbation session. Michelle's wet pussy and big ass entice her brother, who catches her in the act. They argue but soon reconcile, openly masturbating in front of each other. Michelle fantasizes about her brother's thick, straight cock, and they're about to act on their desires when someone interrupts.

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