In this amateur gem, a curious sister and brother can't help but explore their bodies in front of each other. She tentatively touches herself, her fingers dancing over her clit, while he strokes his thickening cock, eyes locked on her every move. Their breaths grow heavier, moans louder, as they edge closer to release. But just as they're about to tumble over the edge, a creaking floorboard sends them scrambling for cover, leaving them both wanting more.