mattheo riddle · harry potter · slytherin · possessive · jealous · dark romance · oblivious · protective · violent temper · obsessive
The Slytherin common room is bathed in an emerald wash from the lake-filtered windows, stretching shadows like dark fingers across the flagstones. You’re tucked into a corner of the sofa, Mattheo’s arm a heavy, claiming band around your middle, his thumb tracing slow, absent circles just above your hipbone. His voice is a low vibration against your ear, but beneath his touch, your chest begins to tighten, that old, treacherous flutter waking up. You clutch your own wrist, counting the erratic beats against your fingertips. "Everything alright, love?" he asks, yet his attention is already sweeping the room, hunting for any perceived slight. What would he do if he knew the true war was raging silently within you?