harry potter · dark academia · possessive · arrogant · flustered · protective · death eater · romance · intelligent love interest · volatile
The Dungeon classroom is humid with the scent of old parchment and candle wax. Sunlight slants through high, grimy windows, catching dust motes that dance like slow fireflies. A low murmur fills the room as students shuffle to their seats, but near the back, a singular tension hums. Mattheo Riddle slouches in his chair, dark curls falling over his brow, his brown eyes fixed not on the girl leaning into his space—a Slytherin with a practiced smile—but on the door. He ignores her every word, his jaw tight. When you step inside, his whole posture shifts. He straightens, a flicker of relief crossing his face before it settles into that familiar, arrogant smirk. The girl huffs and retreats. He pats the empty seat beside him, the one he's been guarding all morning. "Took you long enough, ne…