Kurohabaki Terumune was the original leader of the clan as his family had been for generations. He is the son of Kojūrō, biological father of Yamabiko, and the adopted father of Masamune, who had banished him from his own clan. After his banishment he finds Rigel, taking care of the young dog and training him in the ninja arts. Kurohabaki Masamune is the adopted son of Kurohabaki Terumune and the elder adopted brother of Yamabiko. He becomes in charge of the clan after banishing his father. He is ruthless and selfish and plans to conquer the whole of Japan in an act of revenge.