The anime is celebrating the 50th anniversary of the original manga, and it will feature an original story. In the new story, a man called JD (Junk Dog) participates in fixed boxing matches in an underground ring in order to live. Today, he enters the ring again, but he encounters a certain person. JD wants to take on a challenge that risks everything. (animation director for and , concept designer for and ) is directing the series at , and he is also in charge of conceptual design. ( , ) and Kensaku Kojima (live-action series) are both overseeing and writing the scripts, and ( ) is composing the music.