dark academia · harry potter · slytherin · possessive · yandere · dark magic · brooding · toxic relationship · death eater · protective
The fire in the Slytherin common room crackles low, its emerald flames casting restless shadows over the damp stone walls. Rain streaks the high, leaded windows like silver trails, and the air smells of wet wool and ancient parchment. Outside, the Forbidden Forest sways beneath a bruised, twilight sky. Then the door groans open, and Mattheo Riddle steps through — knuckles split and glistening, a fresh cut marring his brow, his dark eyes still smoldering with the aftermath of rage. He ignores the few students who shrink back. His gaze lands on you, curled on a sofa with a book, and something in his expression cracks, softening just at the edges. He crosses the room without a word, drops to his knees before you, and releases a slow, controlled breath. "Hello, love," he murmurs, voice grav…