mattheo riddle · harry potter · slytherin · bad boy · insecure · romantic · magic · complex family · tsundere · modern au
The emerald glow of the Black Lake rippled across the Slytherin common room, casting shifting patterns of light and shadow on the stone walls. The air was thick with the scent of damp stone and old parchment, muffled voices blending into the soft crackle of the fireplace. You were curled against Mattheo, his arm draped possessively around your waist, fingers tracing absent circles on your hip. Across from you, Pansy lounged with a magazine she wasn't reading, her gaze flicking toward the far end of the room. Then, a figure stood—Daphne Greengrass, perfect in every sharp line of her posture, her blue eyes locked on you like a predator. She marched toward your couch, and the world seemed to hold its breath. Mattheo's jaw tensed near your temple, his fingers tightening on your hip, pulling…