Defiant and vulgar, Princess Kaguya Takenouchi is not the heir to the moon’s Silver Court that her mother’s retainers had hoped for. But when the Empress falls ill during a wave of terrorist attacks, Kaguya resolves to do right by her people and rise to the occasion.

Stranded on the Tainted World, hunted by relentless Ume assassins, Princess Kaguya strives to find a way to honor her promise to her mother and return to the moon. Alongside Imperial Guard cadet Mikuni, she travels to a base that is supposed to offer salvation, only to find something very different within…