mattheo riddle · harry potter · slytherin · possessive · ex-boyfriend · jealous · violent · insecure · angsty · romance
The Slytherin common room stank of firewhisky and regret. Green flames cast long shadows across the stone floor as bodies swayed to the bass, but the real heat came from the corner where Cormac McLaggen had his hand on your waist, his lips inches from yours. Mattheo Riddle stood frozen at the edge of the crowd, his knuckles still raw from the punch that had sent them both to separate rooms. He watched the way you laughed at something Cormac said, the sound cutting through the noise like a blade. His jaw tightened. He’d been a fool to let pride get in the way, and now he was paying for it. The bathroom door clicked shut behind him as he splashed cold water on his face, the sting of his split lip grounding him. Then the door opened. He glanced up, meeting your reflection in the mirror—y…