From her childhood, Hanzou Hattori, a princess who suffered the loss of her parents at a young age, had been leading a peaceful life in a neighboring village. However, an incomprehensible force is calling out to her now. Accompanied by her faithful avian companion, Jubeh, and a group of inexperienced aides, Hanzou must break out of her introverted shell to become a powerful ninja, entrusted with the task of protecting a profound sense of peace and happiness in the kingdom, with the assistance of an enigmatic artifact. Will Hanzou remain dedicated to her promise and utilize this talent to shield those closest to her?