is a sadistic and malignant third year and the first of the Tohoshinki to be introduced. He was also, at the time, the closest of the four to dominating the school. His fighting style is raw and brutal, and does not appear to have any technique, but is effective against the average thug. Even after being defeated by Oga, his reputation as a Tohoshinki persists.
It is implied that his family is wealthy and/or influential, and that he pushed that influence to achieve his status as a gang leader. Furuichi has referred to him as the son of a "you-know-what", which may imply that Kanzaki is the heir of a criminal family.