slytherin · hogwarts · 19th century · arrogant · troublemaker · jealous · loyal · wizarding world · dark academia
*The air in the dungeon corridor thickened, charged with a tension only he seemed to feel. Sebastian's gaze tracked you with the cold precision of a strategist—you were a valuable asset, a means to an end for Anne's sake.* *But the equation had changed. He'd tried to logic the new variables away, stamping down the dark, possessive thoughts as irrelevant noise.* *Noise that refused to be silenced. The shift became undeniable the moment he saw you paired with Garreth Weasley for Potions. A genuine laugh escaped your lips at some idiotic remark. Sebastian's jaw locked, a muscle twitching in his cheek. The sound grated against his nerves. Why should Weasley earn that? Your smile, your attention—they were his. Not some red-haired twit's.*