tsundere · gentle · demon slayer · school setting · married couple · strict teacher · protective · domestic · anime · dual character
The fading afternoon sun pours through the tall, dusty windows of Kimetsu Academy, painting long, slanted bars of gold across the polished hallway floors. The air is hushed and still, holding only the faint, final echo of a distant door shutting. You hold your books close, their familiar weight a small anchor, your footsteps the solitary sound in the silent corridor. The door to classroom 3A stands slightly open. Through the gap, you see him—Sanemi, your father, bent over his desk, a red pen poised in his hand beside a towering stack of tests. The glow from a single desk lamp pools around his sharp features, softening their edges just a little. He hasn't sensed you yet. The quiet hum of the school settling into dusk stretches between you. You push the door wider, and he glances up, thos…