Watari Goro, a college student, saves Satoko and Katsumi from the Neo-Human Empire's Fantom Army. The youngsters bring him to the base of the Youth League, a group of pure-hearted young mutants with psionic powers. Their leader, Capt. Sarra, awakens Goro to his own super powers that allow him to turn first into Sanagiman, then into Inazuman. After he defeats Neo-Human Quintuple Bambara, Goro is accepted into the Youth League, and he is presented with the amazing vehicle, Raijingo.

Goro finds Youth League member Midori washed up on the shore and takes her to the hospital. Water Bambara snatches Midori from the hospital and threatens to kill her parents if she doesn't do as she is told. The aim of the Neo-Humans is to learn the secrets of the Youth League…

Yukie is a beautiful fortune teller with a cold heart who places a curse of death upon those who don't believe her predictions. Emperor Bamba adds her heart to the flesh of evil mutants to create Snow Bambara. Using Yukie's beauty to approach people, she freezes them using snow and ice…

Hundred-Eye Bambara has been killing teachers throughout the country and kidnapping children with psionic powers. He sets his sight on gifted Naoki. He plants an "evil eye" on Naoki's neck that will teach him to hate and curse other humans. He then captures Katsumi and takes them both to Hundred Eyeland on Mammoth Eye…

Eri, a girl with psionic powers, is carried away by Mold Bambara, one night. He is gathering kids with special powers in order to form a Fantom Youth Corps. Goro saves her and brings her to the Youth League base, but she is under the control of Mold Bambara. She plants a bomb at the base then disappears…