He pleads with Joe to train with him off, but the cocky young fighter brushes him. Later, though, when Joe is arrested and put in a juvenile detention facility, he realizes that he's going to need to hone his raw fighting skills if he wants to survive. Thus is born a partnership that might just take Joe all the way to the top...

Volume 2 of the Ashita no Joe: Fighting for Tomorrow manga series by Asao Takamori.