Hidden from prying eyes, the siblings succumb to their taboo desires. Michelle's fingers trace her brother's chiseled abs before wrapping around his throbbing cock. She moans softly, feeling her brother's breath on her neck as he grinds against her, his hands exploring her curves. Their bodies move in sync, each thrust pushing them closer to the edge, their moans drowned out by the rain pounding against the window, a stark contrast to the storm brewing inside them.