Michelle and Alex, step-siblings bound by blood and curiosity, find themselves alone and horny. Michelle retreats to her room, fingers her wet pussy under the covers, her moans echoing through the house. Alex, intrigued, follows the sound and catches her in the act, his cock twitching at the sight of her bare, tempted flesh. They freeze, eyes locked, before Michelle invites him to join her, their mutual masturbation turning into a forbidden, erotic dance of desire. -