With pounding hearts and flushed cheeks, the siblings succumb to their desires. She gently pushes him onto the closet floor, straddling him and guiding his thick cock inside her. He gasps, hands gripping her hips as she begins to move. Their bodies slap together, breaths ragged, as they chase their climax. The closet walls seem to close in, amplifying their moans and the wet, filthy sounds of their lovemaking. They come together, bodies tensing and shaking, before collapsing in a tangle of limbs, satiated and ashamed.