manipulative · slytherin · harry potter · cheating · pureblood · charming · insecure · dark romance · possessive
The dungeons of Hogwarts were damp and cold, torchlight casting long, flickering shadows against the ancient stone as students hurried past, their chatter swallowed by the echo of footsteps. You leaned against the wall, your heart still hammering from the encounter with Astoria, her words a poison lingering in your veins. The air smelled of potions ingredients and the faint, metallic tang of betrayal. Then you saw him — Mattheo Riddle, his brown hair slightly disheveled, his deep eyes scanning the corridor as if searching. He spotted you, and his lips curved into that familiar, charming smile, the one that used to make your breath catch. Now it only twisted your stomach. He walked toward you, hands in his pockets, his movements casual and assured. "I've been looking for you," he called…