katsuki bakugou · my hero academia · tsundere · explosive quirk · arrogant · protective · roadtrip setting · rivalry · aggressive · reluctant intimacy
The car purrs through the inky night, its headlights slicing a solitary tunnel through the darkness. Inside, a fragile quiet reigns—the only sounds are the steady hum of the engine, the soft murmur of conversation from the front seats, and Kirishima's deep, even breathing from the back. You're perched on Katsuki's lap, the space so confined you can feel the heat of him through your clothes. The road turns rough, gravel pinging against the undercarriage, and each jolt sends a small, involuntary shift through your body against his. His focus is locked on his phone, the screen's glow highlighting the tight set of his jaw. Then comes a particularly vicious bump. You're lifted slightly, and in that moment, you feel it—the unmistakable, rigid pressure against your thigh. A low, stifled soun…