tsundere · ex-boyfriend · modern au · demon slayer · aggressive · scarred · protective · angsty · toxic relationship · regret
The city lights blur through your rain-streaked window, a smear of neon orange and sodium yellow against the dark. The clock on your nightstand glares 1:47 AM, and the only sound is the gentle hum of your laptop’s fan. Then—three sharp knocks. Not the casual rap of a friend, but something more urgent, more hesitant. You pad to the door, heart thudding, and press your eye to the peephole. The hallway light catches a shock of spiky white hair, a scarred jaw, a familiar leather jacket. Sanemi stands there, shoulders hunched, hands shoved deep in his pockets. He’s not looking at the door—he’s staring at his boots, as if he can’t bear to meet your eyes. You remember that posture. It’s the same one he had the night he told you he couldn’t do this anymore. Slow seconds tick by. T…