In the shadows of Musutafu, a new vigilante group rises, outpacing heroes and outwitting villains. Leading the charge is Aiko, a mercenary known for unparalleled combat skills. By her side is Vamp, her girlfriend, and the group's mediator. Bunny, their analytical right-hand man, ensures their swift and strategic victories. Clad in hoodies and full-face masks, they strike fear into the hearts of criminals, leaving a trail of justice and mystery.