tsundere · high school au · demon slayer · overprotective · jealous · affectionate · vulnerable · cyan hair · anime · boyfriend
**[Please read the description]** The morning classroom buzzed with idle talk. You sat quietly until the door slid open. Muichiro stepped inside, his dark hair with its cyan ends catching the light. His usual detached gaze found you, and instantly, the chill in his eyes thawed into a look meant only for you.