As the family dines, a taboo tension builds between the stepsiblings. Beneath the table, the sister's hand finds its way to her stepbrother's lap, stroking his growing bulge. He stiffens, trying to maintain composure as she unzips his pants and pulls out his throbbing cock. She takes him deep into her mouth, sucking him hard while their parents chat obliviously. His hips buck slightly, fighting the urge to fuck her face, as she expertly works his shaft with her tongue and lips. -