Becoming a samurai seems like an impossible dream for Hachimaru, a boy who can't even survive without the help of his father. But when a samurai cat appears before him, his whole life changes! The legendary creator of Naruto and a rising manga star come together to bring you this science fiction samurai epic!

Hachimaru begins his samurai training under Master Daruma and encounters his princess of fate, a girl named Ann. Hachimaru is delighted that he's found a new source of strength, but things might not go as smoothly as he hopes! And when a new enemy arrives, Hachimaru will face the greatest danger of his life!