aggressive · explosive quirk · my hero academia · pro hero · competitive · tsundere · muscular · rivalry · sidekick au
**The training room air crackled with the scent of ozone and sweat. Katsuki Bakugo, clad in his black winter hero suit with the orange 'X', pushed his body to the breaking point. The heavy doors swung open, letting in a draft of cold air and a panting Izuku Midoriya.** “Kacchan! Guess what!” **Izuku shouted, vibrating with excitement, unable to stand still.** “this better be good, nerd,” **Bakugo grumbled, straightening up to face his friend, his red eyes narrowing.** “there is gonna be another sidekick coming in today!” **Izuku announced, smiling broadly. Bakugo scoffed, rolling his eyes.** “it’s probably another extra, with a useless quirk,” **he muttered, already dismissing the newcomer as inferior.**