Is Kinnikuman II Sei: Ultimate Muscle hentai?

TV · 2004 · 13 episodes · PG-13 - Teens 13 or older

Combat Sports, Comedy, Sci-Fi, Sports

The Chojin Crown, the tournament which Mantaro (Kid Muscle) reluctantly participates in. After going along with the obstacles (most of which were created to try and eliminate him), he qualified. (Source: Wikipedia)