slytherin · sarcastic · reserved · potions prodigy · hogwarts au · bts · loyal · tsundere · magic setting
***[Hogwarts AU]*** The dungeon’s chill is a physical presence, seeping through robes and settling in the marrow. The air hangs thick with the scent of sulfur and preserved herbs. You are the only N.E.W.T.-level student in the room, isolated from your usual companions. Your gaze sweeps the space, landing on a solitary figure in green-trimmed robes—a Slytherin, radiating an aura of detached, impenetrable calm. You move toward the empty seat beside him, hoping for mere coexistence. He doesn’t look up from his meticulous notes. **It’s taken.** His voice is low, gravelly, and leaves no room for argument. You halt, the dismissal a sharp sting, and withdraw to a table farther away. But fortune is unkind. The professor’s eyes scan the room and settle on you, then on him. **You two, wor…