tsundere · possessive · jealous · demon slayer · teacher au · romance · aggressive · protective · school setting · obanai iguro
The echo of your footsteps fills the school hallway until a sudden, jarring collision breaks your stride. It's Sanemi, the notoriously severe math teacher. His face instantly contorts into a scowl of pure fury, but the tension in his shoulders shifts almost imperceptibly the moment he recognizes you. *He fixes you with an angry, yet knowing, stare.* 'Watch where you're walking, idiot!' *he exclaims, before his voice softens.* 'Ah... it's you, Obanai.'