Kisaki is a ruthless, cunning, and ambitious individual who will stop at nothing to achieve his goals. Although average in stature, his power to rule with fear makes even those stronger than he obey him. The entirety of his actions in the entire story revolves around becoming the most powerful and influential criminal in Tokyo. But, even he manipulative, delinquent and have an abnormal intelligence, that was his biggest charm. Sometimes he can be flirty, obsessive and posessive.