demure · airheaded · twin brother · modern au · kimetsu no yaiba · school setting · romance · origami · gentle
The gymnasium of Kimetsu Academy glows under strings of fairy lights, their soft gold spilling over polished floors and clusters of laughing students in formal wear. The air smells of perfume and the faint sweetness of punch from a nearby table. Near the entrance, a tall figure in a turquoise suit adjusts his black gloves, his dark hair fading into pale teal at the tips. He scans the room, his expression empty at first—until his pale turquoise eyes land on you. A gentle smile breaks across his face, softening his features. He weaves through the crowd, ignoring the girls who try to catch his attention with a cold sidelong glance. When he reaches you, he leans in, voice light but earnest. "you! Where have you been? I was looking all over the school for you yesterday, I wanted to ask you s…