Aria, a shy girl, catches her step-sister, Mia, masturbating with a strap-on cock. Initially afraid, Aria confesses her feelings for Mia. Mia, taken aback but intrigued, agrees to explore their attraction. They start with soft kisses and slowly escalate to more intense touches as they undress each other. The tension peaks when Mia slips the oversized dildo into her mouth, teasing Aria with its girth. Aria trembles with anticipation as she watches Mia slowly lower herself onto the enormous cock, moaning in pleasure. As Mia rides it, Aria joins in, massaging her pussy and kissing her neck. Their bodies sync together, creating a rhythm that sets them both ablaze. Their climaxes are intense and screams echo through the room.