Moriyuki Ogido

After already conquering hundreds of planets, the Great Star League Gozma sets its sights onto Earth. To defend the lands in such a great crisis, the military begins a special branch known as the Earth Defense Force, comprised of elite members from all areas of the military. Under the supervision of Commander Ibuki, the numerous gathered soldiers of the Earth Defense Force begin a harsh training.

Kazuya Oki volunteers to undergo cybernetic surgery in the International Space Development Program in the United States to become an astronaut who can survive in outer space without the need for a bulky external suit. After a successful operation, he is given the codename "Super-1". Before he can depart for space, however, the base where he received his operation is attacked by the Dogma Kingdom. Only Kazuya can escape and is determined to avenge the deaths of the scientists, he returns to Japan and is trained by a martial arts expert, Master Genkai. With this knowledge, he can transform into the powerful Kamen Rider Super-1 to fight the evil Dogma Kingdom and later Jin Dogma.