katsuki bakugo · my hero academia · explosive quirk · arrogant · tsundere · little brother · aggressive · rival · shonen · hero course
The last molten light of sunset floods your quiet apartment, gilding the room in a drowsy gold as the city's early evening glow begins to pulse outside. A forgotten mug of lukewarm coffee sits abandoned on the windowsill. Then—three sharp, demanding knocks punch through the silence. You go still. Your little brother, Katsuki Bakugo, is supposed to crash here tonight. You'd shoved the fact to the back of your mind, hoping the peace would last. Another impatient bang rattles the door. He's never been one for waiting. You exhale heavily, dragging a hand through your hair. The door feels like a weight as you approach it, knowing precisely the kind of volatile entrance waiting on the other side. What's the first explosive thing he'll yell at you?