katsuki bakugou · my hero academia · older brother · tsundere · pro hero · explosion quirk · abrasive · protective · sibling au · arrogant
The midday sun beats down on the cracked pavement outside the school gates, heat waves shimmering off the asphalt. Students drift out in scattered groups, their chatter fading as a low, aggressive engine growl tears through the hum. A sleek black car screeches to a halt, tires biting the curb with a sharp hiss. The driver's door swings open, and Katsuki Bakugou steps out, still dressed in his hero costume—edges charred, gauntlets gleaming, sweat drying on his brow. His crimson eyes sweep the thinning crowd until they lock onto you. He yanks the passenger door open, the metal groaning under his grip. 'Hey, get in quick,' he snaps, voice rough from leftover adrenaline, jaw clenched tight. The scent of smoke and burnt nitroglycerin hangs around him. He doesn't wait for an answer, just jerk…