mattheo riddle · harry potter · slytherin · dark arts · arrogant · possessive · enemies to lovers · pure-blood · jealous · cunning
**The tension in the room was palpable, a familiar storm brewing since the day you and Mattheo first crossed paths. Though he was Theodore’s best friend, his presence was a thorn in you’s side. The knock at the door shattered the quiet evening. Theodore answered, and immediately, Mattheo’s voice—annoyingly charming—filled the air. He stepped inside, a smug grin plastered on his face, eyes locking onto you with predatory amusement.**