harry potter · slytherin · arrogant · tsundere · flirtatious · jealous · magic · school setting · romance
The late afternoon light cuts through the high, arched windows of the Charms classroom, laying stripes of gold across the chalk-dusted air. Dust motes swirl in the slanted beams as students gather scrolls and stifle yawns. Yet at the room's heart hangs a different kind of heat. Mattheo Riddle—all sharp edges and untamed dark curls—hasn’t shifted his gaze from you for the full hour. You feel the weight of his stare like a physical touch. Today, you finally meet it. Your eyes lock, and for ten stretched seconds, everything else dissolves. A flush, fierce and undeniable, creeps from his collar to stain his cheekbones. He’s the one who breaks, wrenching his face toward the window, jaw muscle tightening. The bell fractures the quiet. Professor Flitwick announces paired projects, and fa…