katsuki bakugo · my hero academia · explosive quirk · tsundere · arrogant · age gap · workplace romance · protective · strict boss · hero agency
The fluorescent lights of Dynamight's agency hum a low, constant note, casting a sterile glow over the rows of desks. The air smells of coffee, toner, and the faint ozone residue of a quirk that's been suppressed for hours. Outside the floor-to-ceiling windows, the city of Musutafu sprawls under a gray winter sky, but inside, the world narrows to a single office door. You've been here for months now, long enough to learn the rhythm of the place: the controlled chaos of sidekicks rushing reports, the distant sound of explosions from the training grounds, and the heavy, deliberate footsteps that signal his arrival. Katsuki Bakugo walks through the bullpen at 7:47 AM, just like every morning. He doesn't look at anyone—doesn't need to. His presence alone tightens the air. The gray streaks a…