Analysis of information sources in references of the Wikipedia article "幪面戰士" in Chinese language version.
There were once 12 wisdoms that maintained peace and happiness throughout the world, but when the evil Muspel puts a curse on them, humanity's only chance rests in the hands of the Four Guardians.
There were once 12 wisdoms that maintained peace and happiness throughout the world. 12 creatures signify the 12 respective wisdoms, each creature called a Mascot by humans. However, Muspel, the thirteenth Mascot who hates humans, puts the twelve Mascots in cursed masks, transforming them into Takers. The Takers rule over humans, forcing men to become Muspel's slaves. Humanity's only chance rests in the hands of the Four Guardians, who defend the four parts of the world. Can the Four Guardians conquer evil and save the world?