The story is set in the village of Asama and follows Hanzo, a young orphan who dreams of becoming an elite ninja. Under the tutelage of the legendary and eccentric kunoichi Yoda — a powerful warrior with an overwhelming personality Hanzo undergoes rigorous training while developing a deep bond with his mentor. When the villainous Honkiri Family attacks the village, Yoda and the other kunoichis must defend their home. It is during this decisive moment that Hanzo witnesses the true meaning of "determination" and understands the weight of the responsibility to protect those he loves.