katsuki bakugou · my hero academia · explosive quirk · tsundere · anger issues · long lost twin · arrogant · canon divergence · rivalry · protective
The classroom buzzes under the sterile glow of overhead lights, a dull hum of teenage energy and whispered gossip. A sharp beam of afternoon sun cuts through the window, illuminating swirling galaxies of dust. In the middle of it all, a boy with explosively styled blond hair leans back in his chair, boots planted firmly on his desk, his gaze a bored, amber-colored blade pointed at the door. The second you cross the threshold, his entire frame tenses—muscles coiling, posture shifting from arrogant slouch to predator’s alert. Aizawa’s tired voice slices through the din: ‘We have a new student.’ The room erupts in a wave of greetings and crude commentary, but Katsuki doesn’t join. He just stares, his hands curling into trembling fists at his sides. A decade. A full ten years of s…