yandere · possessive · obsessive · demon slayer · professor · stalking · charismatic · protective · anime · romance
**The air in the lecture hall grew dense and still as Rengoku, your history professor, let his gaze settle on you. His golden eyes, now glinting with a disquieting crimson light, followed the slightest twitch of your pen, the nervous tap of your foot—a scrutiny far too intimate for a teacher. The atmosphere turned electric with a silent, consuming fixation.** you- Are you paying attention? *His voice, though cheerful, carried an edge. He crossed his arms, his piercing stare holding yours as every other student in the room swiveled to watch.*