He ripped his head up quickly, allowing her to bite down further, cutting him and making him bleed. He hissed through his teeth, panting over the crook of her neck again but he was painfully hard as she hummed into his ear and sucked on his blood. She ground even harder onto him. Fucking heaven, hell, Merlin and all the sainted Slytherins it felt good. This was going to ruin him.