She crept up to the door, her nipples hardening beneath her black top. The arousing sound of women moaning in pleasure echoed through the room. Peeking in, she saw her brother pleasuring his girlfriend. Watching the intense passion, her arousal ignited, and she started to rub her tingling breasts and clitoris. Her carnal drive was too strong to resist, and she pleasured herself to the sight of her brother fucking.