There were three ranks of Iga ninja: jonin, chunin, and genin. Genin become pet animals in the homes of superior and chunin, and usually work on farming, but when the master is dispatched, they accompany him and serve as his hands and feet. There were also times when he was ordered to act alone, but the reward money for this was all vested in the jounin. Itagi, a genin, returns to the village with the support of his master, Tajuro, but due to the fate of genin, he is not thanked, his wounds are not healed, and all the credit belongs to Tajuro. Oboro, a kunoichi who is Tajuro's fiancé, protects Itagi, but because of this, Itagi ends up receiving terrible treatment from Tajuro...