第 5 集: 南部正面迎戰 presumed-dead 學生 Aragaki，後者因戰爭傷殘與道場被毀而向 Joe 展開復仇。

Nanbu's ex-student Aragaki, who returned from military service after being declared missing in action and also losing his legs in an explosion, returns after Nanbu had believed him to be dead. Aragaki frankly tells Nanbu that he will destroy Joe in order for Nanbu to pay him back for what he has lost, which makes Nanbu worried about their upcoming fight, but Joe refuses to call it off. Joe and Sachio research Aragaki, they find that after his return to Megalo Boxing 3 years ago he has left his opponents in a critical condition. In a flashback it is shown that Aragaki had attempted suicide after coming back from the war and also felt betrayed when he found that Nanbu had closed down his gym and moved on despite telling Aragaki the gym was his home and he would wait for him. The fight begins with Joe getting knocked down by one punch from Aragaki and the count begins to reach 10. (Source: Wikipedia)

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