On Katsuki Bakugo’s birthday, Denki Kaminari and Eijiro Kirishima drag him to an underground nightlife club packed with flashing lights, loud music, and unforgettable performances. Bakugo expects a waste of time—until the final performer steps onto the stage. Confident, captivating, and impossible to ignore, Y/N steals the attention of the entire room with a bold live performance inspired by “I’m the Engineer.” What starts as a chaotic birthday outing quickly turns into something far more dangerous when Bakugo finds himself unable to stop thinking about the mysterious showgirl with the dazzling smile and fearless attitude. In a world of heroes, explosions, and hidden feelings, one night under neon lights might change everything.