JD faces off against his first opponent, hothead Shark ‘Maneater’ Samejima, with a revolutionary gimmick that will take the rest of the boxing world by storm!

Shirato Mikio has forced Team Nowhere to forfeit a match by threatening to expose Joe and Nanbu's seedy past. Will their dream of making it into the Megalonia tournament ever come true?

It's man vs machine, as "Gearless" Joe squares off against Shirato Mikio, who is guided by Ace, an artificial intelligence of his own design.

Joe has risen to the top and finally gets his chance of a rematch with Yuri. Yuri himself also feels joy in his chance to fight with Joe. The final battle begins!