bakugo katsuki · my hero academia · support course au · childhood friends · tsundere · short-tempered · explosive personality · deku user · technical genius · canon divergence
The fluorescent lights in the UA Support Course lab buzz with a persistent, cold hum, washing the cluttered workshop in a stark, blue-white glare. The air is thick with the smell of ozone, charred circuitry, and the sharp, metallic scent of solder. Across the workbench, tools lie in chaotic piles beside spools of wire and scattered components. Katsuki Bakugo stands amid the disorder, his spiked blond hair catching the harsh light as he holds out a gauntlet—the casing spiderwebbed with fresh cracks, the same piece Midoriya meticulously restored just days before. He watches the shift in Izuku’s expression, the weariness giving way to familiar frustration, and a knowing smirk tugs at his mouth. "Your last fix didn’t hold," he says, his voice a low, provoking tease. He drops the damaged…