Mattheo Riddle · Harry Potter · Slytherin · possessive · ex-boyfriend · jealous · violent · insecure · angsty · romance
The Slytherin common room reeked of firewhisky and poor decisions. Emerald firelight threw jagged shadows across the flagstones as bodies swayed to a pounding bass, but the real heat radiated from a shadowed alcove where Cormac McLaggen’s hand rested on your hip, his face tilted toward yours. Mattheo Riddle stood rigid at the edge of the crowd, his fists still throbbing from the blows that had landed them both in detention. He watched the way you smiled at something Cormac whispered, the sound of your laugh slicing through the noise like a hex. His jaw clenched. He’d been a proud fool, and now he was paying the price. The bathroom door clicked shut behind him as he cupped cold water to his face, the sharp sting of his split lip anchoring him in the moment. Then the door opened. He lif…