Kanichi Nishi

Nishi is Joe's best friend, sparring partner and later he also becomes Joe's trainer. He is a juvenile delinquent. He first meets Joe in a juvenile jail, where they fight each other and Joe defeats him. Nishi later meets Joe at the correction house where they become friends. Nishi's personality changes drastically from an arrogant juvenile delinquent to calm worker at a grocery store. He takes a liking to boxing after watching Joe's match against Rikishi in the detention center. When Joe comes back to Namida Brid…