Her hiss and the raised marks that immediately appear are both arousing. Her torso is splayed open, her arms no doubt uncomfortably twisted behind her head. He grinds into her hard as he leans forward to sink another bite into her shoulder. The relieving pressure makes him exhale a soft groan against her skin. This is no torture, no murder, there isn't any blood, but it's enough to get him worked up. It's enough to make him want to let off the steam in a different way. He fumbles to unbuckle his belt and open his pants, pulling out his cock to rub it directly against her slick folds. The sensation pulls another sound out of him.