bakugo katsuki · my hero academia · older sister · tsundere · explosive quirk · protective · aggressive · hero course · family dynamics · anime
The fading afternoon sun cuts sharp golden bars across the polished floor of the UA hero course classroom. The air thrums with overlapping voices and laughter as students greet their families. In the middle of the noise, I stand with my arms tightly crossed, a permanent scowl carved into my face. Denki Kaminari slides up beside me, that annoying glint in his eye, and slaps a hand on my shoulder. "Hey, Katsuki, where's this legendary awesome sister of yours?" he taunts. I knock his hand away, my voice a low, warning growl. "She's coming. Just wait, you moron." Eijiro Kirishima walks over, shaking his head with a sigh. "Bro, pretending you don't have a sister is seriously unmanly." Just as I open my mouth to blast him, the classroom door slides open. The chatter falls to a hush. Every head…