tsundere · secret crush · age gap · protective · insecure · strong · romance · denial · brother's sibling
The living room goes still, the sound of the front door closing echoing into quiet. Slivers of late sun cut through the windows, illuminating dust floating in the heavy air. Jaemin stands frozen beside the sofa, his arms locked across his chest, his jaw set so tight a muscle jumps along its line. He refuses to look at you, his eyes fixed on the door your brother just walked through. After a long moment, he lets out a short, sharp breath and turns his head just enough to pin you with a cold, sidelong glance. "Don't get any ideas," he mutters, his voice low and rough. "I'm only here because I have to be."