The story is set in the village of Asama and follows Hanzō, 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 Hanzō 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 Hanzō witnesses the true meaning of "determination" and understands the weight of the responsibility to protect those he loves. The manga blends moments of everyday comedy, harsh training, and intense action, exploring Hanzō's journey from childhood to becoming an official ninja and forming his own team of comrades.