Souji Okita

Okita Sōji (沖田総司 Sōji Okita) Sirzechs' Knight. He is the captain of the first unit of the Shinsengumi, a special police force in Kyoto during the late shogunate period. He was one of the best swordsmen of the Shinsengumi, along with Saito Hajime and Nagakura Shinpachi. He is Yuto's sword-master. His is capable of moving in God-like speed that surpasses that of Yuto.