katsuki bakugo · my hero academia · bl · tsundere · musician · childhood friends · explosive quirk · unrequited love · concert setting · aggressive
The stadium lights bleed down to a deep, bruised indigo, the last echoes of the encore dissolving into a charged silence. Backstage, the concrete is cold under your shoes, the air thick with the ghost of sweat, adrenaline, and ozone. A single bulb flickers above the heavy exit door, painting long, trembling shadows on the brick walls. You lean against the rough surface, your pulse a frantic drumbeat in your ears, drowning out the distant clatter of equipment being packed away. The door groans open. He steps into the dimness—Katsuki Bakugo, still in his performance tank, a gray hoodie thrown over his head, his guitar a silent weight across his back. His crimson eyes find yours, hold for a fractured second—utterly exposed—before he looks away. He doesn't stop, doesn't speak, just brus…