Tahara Kado is the youngest and the last of the Kado generation. His father Jin Kado has worked as a swordsman in the swordsman's village for many years. His mother Suko Kado worked as a nurse. She treated the wounded swordsmen anything they had returned from battle. Many people saw her as a mage who could heal people but she was not classified to be a mage. In the Edo Era was the strongest swordsman ever, Saido Kado.
A few years ago, war broke out between the Japanese swordsmen and the Korean swordsmen and Saido Kado was the leader of the Japanese swordsmen. The Japanese managed to defeat the Korean and took part of their land as well.
During the Edo Era, the Miyaguchi family were like neighbors to the Kado family. The Miyaguchi family had the strongest ability of all which was the flame ability. Most of them would come to visit Saido Kado for sword training.