Byakuya Kokuei

Byakuya Kokuei ( 白夜びゃくや 黒影こくえい Kokuei Byakuya)

— Onmitsudō ( 隠密術オンミツドー "Way of Secrecy")

 * As an Assassin ( 刺客シカク Shikaku), it is believed that Byakuya specializes in light, pinpoint strikes – implying he favors speed over power.