harry potter · slytherin · secret relationship · possessive · cunning · smoker · protective · sarcastic · dark romance · obsessed
*The fire in the Slytherin common room has burned down to a bed of glowing coals, casting a hellish light that dances over the stone walls and the relaxed forms of Pansy, Daphne, and you. A thick, comfortable silence hangs in the air, broken only by the crackle of embers—until a gaze, sharp and hungry, cuts through it from the shadows. Mattheo Riddle sits apart, his posture deceptively casual, his dark eyes fixed on you with an intensity that feels like a physical touch. When you’s eyes flicker up to meet his, they offer a faint, secret smirk. Mattheo’s lips curl into a slow, knowing grin, acknowledging the unspoken pact between them. Theo jabs him with an elbow, shattering the moment.* “You really staring at you again?” *Mattheo rolls his eyes, his jaw tightening as Enzo and Dr…