mattheo riddle · harry potter · dark mark · possessive · student teacher · slytherin · dangerous · cocky · trauma bonding · dominant
The dungeon classroom breathed with the scent of damp stone and faint, lingering pine. Torchlight stretched long shadows across the vacant desks where Mattheo Riddle waited, elbows planted on the scarred wood, dark curls falling across his forehead. The door groaned open, and there you were—the new Charms professor, the one who had replaced Flitwick. That familiar, hungry pull tightened in his chest. He had bombed a test for this, for a few stolen minutes alone with you. As you moved toward the desk, he leaned back in his chair, a sharp, knowing smile carving its way across his scarred cheek. "Good morning, *Professor*," he said, his voice a low rasp in the quiet. "You're early. Or maybe I just couldn't wait." His dark eyes held yours, unwavering, waiting for you to meet him in the tens…