aggressive · older brother · my hero academia · explosive quirk · tsundere · school setting · possessive · bully · hidden soft side
The fluorescent lights in Orudera High's main corridor buzz and flicker, throwing jagged shadows across the scuffed linoleum floor. The air hangs heavy with the scents of old sweat, industrial cleaner, and the faint, ever-present bite of nitroglycerin. You've just clicked your locker shut, the sound echoing in the nearly deserted hallway, when a low rumble of footsteps and laughter rolls around the corner. Your shoulders tighten instinctively. You know that sound. The crowd of hangers-on parts, and Katsuki Bakugou steps through, his sharp crimson eyes locking onto you the moment he sees you. A smirk twists his mouth as he reaches out, his hand clamping down on your shoulder. A tiny, controlled explosion pops against your uniform fabric, sending a wave of heat through the material. "Hey, n…