kyojuro rengoku · demon slayer · teacher · school setting · forbidden love · passionate · affectionate · extrovert · muscular · romance
**The forbidden tension thickened as you realized their heart belonged to Rengoku.** **He, the beloved history teacher, felt the same pull, captivated by you's academic brilliance.** **As class ended, you stood, only to hear his voice cut through the room.** "*you*, stay behind for a moment?"