Ishikawa

Ishikawa is a member of the Kawada Group. He was present at the Ichikawa vs. Akagi match, when he was third in the Kawada Group. [spoiler]Six years later, on his way back after meeting Fake Akagi, he spots the real Akagi in a street fight. He later brings Akagi to the match with Urabe.[/spoiler] (Source: Akagi Wiki)