In Sternbild City, people of all races and ethnicities live alongside humans with superhuman abilities called NEXT, who use their NEXT abilities to maintain peace. Heroes wear sponsor logos, help solve crimes and save people in order to improve the image of their companies and acquire hero points. Their activities are broadcast on the popular show "Hero TV," where the heroes try to climb the annual rankings and aim to be the "King of Heroes." Kaburagi T. Kotetsu and Barnaby Brooks Jr. continue their hero activities to boost the image of their company, Apollon Media, as well as maintain peace. The hero system that originated in Sternbild City has now been adopted in places around the world. As more and more heroes appear, a new hero enters Sternbild City. Now that they are more veteran heroes, will Kotetsu and Barnaby be able to live up to the expectations put on them?! (Source: Netflix)