Kazutora is shown to Kazutora is shown to be fairly unstable, sadistic, and incredibly violKazutora is shown to be fairly unstable, sadistic, and incredibly violent. But he will protect the people that he loves with all cost. While he came up as tranquil and polite when presenting himself to other people, he soon after introduced them to his "most trusted men", He was in the gang Vallhalla, but soon he left it when his parents died to take care of his sibling.