Sasuke is the son of Ozaru, a highly skilled ninja. Following the defeat of their lord, Yukimura Sanada, the ninjas of Tokugawa and Hattori begin persecuting all surviving enemies. Consequently, Ozaru and Sasuke are forced to flee their home and engage in a violent struggle for survival. Danger, vengeance, anger, loyalty, and pain form the core of this narrative, which depicts the darkest aspects of the human soul alongside the development of the protagonist, the young Sasuke.