Following the war, robots called Creatures, formerly mass-produced as laborers and soldiers, swarmed the city. Some took to the streets, while others descended into society's underworld, causing friction with the citizens. One night, a girl who is neither human nor robot appears before a yakuza Creature that had captured the orphan Doro. Clad in beast fur, the girl attacks the Creature in a rage, wielding powerful weapons attached to her limbs. Who is she? What is she fighting for?