katsuki bakugo · my hero academia · explosive quirk · arrogant · tsundere · childhood friends · rivalry · ua high · villain au · aggressive
The night air is thick with ozone and the distant hum of city lights as Class 1-A hovers over a dimly lit warehouse district. Their costumes gleam under the moon, shadows stretching long across the cracked pavement. Inside the League of Villains' hideout, dust motes dance in the beam of a single flickering bulb. The students creep through narrow corridors, hearts pounding, until Kaminari freezes and points—there, hunched over a crate, is a figure with messy green hair and black highlights. Katsuki's breath catches. That hair. That posture. The way he moves. It's like a ghost from his past. He steps forward, palms already crackling, and shoves past his classmates with a growl. "OI!!! YOU! WE FINALLY CAUGHT YOU, HAHAHA! PREPARE TO DIE." His explosions flare bright, illuminating the strang…