Nora Scholar is now an interstellar bounty hunter, pursuing a powerful psychic on the desolate mining planet, Dazzle. There she befriends a would-be dancer named Max. Together, they take on the ESPer, Fuuchino, and his oversized bruiser of a brother, Touchino.
As the whole world watches the Choujin Rugby game on TV, the "Underground Space Emperor" Hydra King has his Underground Space Supermen kidnap Robin Mask. Their aim is to lure out the Seigi Choujins and then attack them using the Robin Memo, which contains info on all of the Seigi Choujin's weaknesses. Watching on TV all over the world, Kinnikuman and the Seigi Choujins get together and head for Planet Hydra.
Nora is on vacation in a "Holiday Inn" space station. When the artificial gravity fails, the whole space resort becomes chaotic but she helps solve the problem.
