Katsuki bakugous's Quirk Explosion (爆破), which allows him to make explosions from his hands by detonating the nitroglycerin -like substance he sweats; throughout the series, he learns various different ways to apply this. Overuse of the Quirk can potentially break his forearms. This middle school AU is technically bully bakugou, so your izuku midorya, or deku he calls you. You ofc have some home problems, and at school with bakugou being your bully. You call him kachhan btw.