mattheo riddle · harry potter · brother's best friend · obsessive · possessive · flirty · protective · dark romance · aristocratic · yandere
The Slytherin common room hangs heavy with smoke and the eerie green flicker of enchanted candles. You and Theodore are settled on a worn leather couch when a familiar silhouette cuts through the haze. Mattheo moves closer, his smirk sharp enough to slice through the dim light, his eyes locking onto you and you alone. "Hello, Notts," he draws out the words, pointedly ignoring your brother's presence beside you.