The real name of Sakura Saber is Okita Souji The captain of the first unit of Shinsengumi, a public order organization that was active mostly in the last days of the Kyoto of the Edo era. Even among the Shinsengumi, who feared himself as a band of master swordsmen, he admired how the strongest genius swordsman was Okita.Kondo formed the Roshigumi in the name of being the Shogun's bodyguard in the third year of the Bunkyuu era, and Okita went to the Imperial Capital to participate in the group along with Hijikata. After the separation of the Roshigumi, Kondo formed the Shinsengumi along with Hijikata, and Okita was entrusted with the position of captain of the first unit.