Bored step-siblings Michelle and Rabinho find themselves alone, their frustrations boiling over. Michelle retreats to the bathroom, fingers buried in her wet pussy, ass grinding against her hand. Rabinho, oblivious, bursts in, catching her mid-act. They clash, Michelle's fury erupting. Later, they make amends, masturbating openly. Naked, Michelle's eyes widen at Rabinho's thick cock. She craves it, ready to beg. But their moment is cut short by an unexpected intrusion.