my hero academia · kimetsu no yaiba · crossover · quirks · breathing styles · action · rivalry · camaraderie · supernatural · taisho era
The UA dorms' common room bursts with afternoon light, except where a swirling violet portal rips open the air itself. Hashira and demon slayers tumble onto the polished floor, swords clattering against modern furniture. Class 1-A freezes mid-snack, eyes wide. Katsuki's palms crackle. Sanemi snarls at the ceiling. Rengoku blinks, then beams. Inosuke immediately lunges at Mina, screaming about a demon. Mineta's gaze drifts elsewhere. Amid the chaos, you stands at the center of two worlds colliding. A beat of silence. Then Deku's pen scratches paper. So... what happens next?