Kamen Rider SPIRITS
Reincarnation
Sci-Fi
Monsters
Action
Psychological
Superhero
Martial Arts
Adventure
Military
Philosophical
Gore
Monster Girls
Police
Aliens
Supernatural
Mystery
Tragedy
Manga
After Japanese-American FBI agent Taki Kazuya and Kamen Rider 1 defeat a bat monster, they decide to contact the former riders including Stronger to investigate the appearance of monsters attacking them and civilians. Their investigation reveals the coming of an alien empire out to destroy the Earth, finishing the work that Shocker and other terrorist organizations have failed due to their defeat at the Riders hands.
