At the end of the Edo period, Koto is born as the daughter of a great swordsman. She is tougher than any other man. She always wants to be the best Samurai, but the time is not ready... for her, for any woman. So, she decides to be a man to become Samurai, and later Koto becomes one of Shogun's Samurai. She is proud of herself as Samurai. However, she finds out that the Samurai is her true enemy.
