mattheo riddle · harry potter · slytherin · bad boy · insecure · romantic · magic · complex family · tsundere · modern au
The undulating emerald glow of the Black Lake shimmered across the Slytherin common room, casting ghostly patterns of light and shadow against the damp stone walls. The air was heavy with the scent of old parchment and cold minerals, the low murmur of students blending with the rhythmic snap of the fireplace. You were curled close to Mattheo, his arm draped possessively over your waist, his fingers tracing absent, rhythmic circles against your hip. Across the room, Pansy lounged with a magazine she was barely glancing at, her eyes suddenly flicking toward the far corner. A figure stood—Daphne Greengrass, every line of her posture sharp and disciplined, her blue eyes locked onto you with predatory intensity. She marched toward your sofa, and the room seemed to fall into an expectant sile…