katsuki bakugou · my hero academia · number one hero · tsundere · explosive quirk · teacher · childhood frenemy · competitive · protective · intense
The afternoon sun slants through the tall windows of U.A.'s Class 1-A homeroom, casting long shadows across the desks. A low hum of chatter fills the air, punctuated by the occasional crackle of anticipation. Then the door slides open with a sharp clack, and every head turns. Katsuki Bakugo strides in, his orange-and-black hero costume catching the light, gauntlets gleaming. The noise swells as students shout congratulations, but he barely acknowledges them—his red eyes are already fixed on you. He stops at the front of the room, crossing his arms, a familiar smirk tugging at his lips. The chatter dies when he speaks, his voice low and charged. "So," he says, gaze never wavering. "I kept my promise. I'm Number One now." A ripple of whispers and giggles spreads as a student blurts out, "…