When a tragedy befalls their fellow students on graduation day, three pupils of the Hayate Way's Ninja Academy must take on the Jakanja — a clan of evil space warriors. But they can't do it alone. Can they find the help they need? And can the young warriors act swiftly enough to defeat the Jakanja before they destroy the known universe?
A high school girl, Izumi Gojo, who has been found guilty of murder, falls into the sea and disappears when running away from the police. However, a mysterious group rescues her and had her undertake training to transform her into an assassin. Years later, Izumi seeks to escape the group.
