The anime Megalobox 2: Nomad is listed on the Blu-ray with 13 episodes. According to the official website, the series premiered in Japan on April 4th on the TOKYO MX & BS11 channels.
Synopsis:
In the end, Joe “Gearless” reigned supreme as the Megalonia champion, an unprecedented Megalobox tournament. Fans everywhere were mesmerized by Joe's meteoric rise, leaping from the deepest underground ring to the top in just three months without the use of equipment. Seven years later, “Gearless” Joe was once again fighting in underground bouts. Adorned with scars and once again wearing his gear, but now known only as Nomad .
Finally, the team that returned for Megalobox 2 includes director You Moriyama , as well as lead writers Katsuhiko Manabe and Kensaku Kojima .