In a steamy encounter, stepsisters Amelia and Grace take turns riding Robert's cock in cowgirl position, their wet pussies sliding up and down his thick shaft. Amelia, eager to explore new depths, whispers in Grace's ear, asking if she's ever tried anal. Grace bites her lip, nodding, and the sisters take turns impaling themselves on Robert's massive cock, their tight assholes stretching to accommodate his size. Moans fill the air as they alternate between pussy and ass, their bodies glistening with sweat and juices.