In this story, after the Hanzo-Hattori clan had been be punished by being deprived of one's fief, Hanzo worked as a ninja and a leader of a Iga shogunate spy group under the Tokugawa clan and was actively involved in various incidents behind the scenes.
あずみでは服部半蔵家の改易後、徳川家直属の忍者で伊賀忍軍の統領として暗躍している。