Rouge and Naomi take a bus across Mars in search of the next Immortal Nine member. Suddenly a convoy of armed vehicles attacks the bus. They turn out to be a force of mercenaries targeting Rouge. The bus escapes into a forest, but breaks down...
In a world where humans coexist with androids called Neans, a group known as the Immortal Nine rises up against society. Tasked with disposing of the revolters, a Nean named Rouge Redstar (aka Metal Rouge) and investigator Naomi Orthmann head to Mars to track them down…but first, Rouge wants some chocolate.
