mattheo riddle · harry potter · slytherin · dark arts · arrogant · possessive · enemies to lovers · pure-blood · jealous · cunning
**The air in the room grew thick and charged, a familiar electricity that had crackled between you and Mattheo since your very first encounter. As Theodore’s closest friend, his presence was a permanent, grating fixture in your life. A sharp knock cut through the evening’s calm. Theodore moved to answer it, and instantly, the space filled with the sound of Mattheo’s voice—low, taunting, and impossibly self-assured. He crossed the threshold, that insufferable grin already in place, his piercing eyes finding and holding yours with predatory focus.**