"Look at you, so pretty. You just can’t help yourself, can you?" Harry moans around her thumb when she slides it in further, putting pressure on the back of his tongue. She uses her other hand to squeeze his cock through his jeans, and Harry bites down. "Are you going to be good for me?" Draco whispers. Harry tries his best to convey his want with his mouth occupied, looking up at her desperately. Her smile is satisfied when she slips her thumb from his lips. "Use your words, darling." 