The sequel series to "Kinnikuman ii sei". A new threat appears to defeat the Legends, known only as the 'Time Chojin'. These mysterious villains travel through time, in their quest to eradicate the Justice Chojin. If their plan succeeds, they will erase the New Generation from history and usher in a new era of evil domination over the humans. The New Generation must travel through time to stop the Time Chojin. In the process, they earn the distrust of the Legends. The ensuing conflict triggers the start of the 'Ultimate Chojin Tag Tournament', which will pit Legends against New Generation, and Justice Chojin vs Evil Chojin. The winners will determine the future of the planet as we know it and reign supreme over Earth.