In the distant mythological era, human desires expanded, and people killed each other. The world was filled with blood and wailing. The power of human hatred created the demon world and its demon overlord Arogo. The appearance of Arogo made the fate of mankind even bleaker. At this time, the warrior Jiaxiongxu in golden armor appeared, defeated Arogo, and returned light to the world. Although Arogo died, his armor that gathered evil thoughts still remained in the world. In order to suppress the power of evil, Jiaxiongxu sealed it with nine human spirits: "benevolence, righteousness, courtesy, wisdom, faith, loyalty, filial piety, brotherhood, and tolerance". A thousand years passed in a flash. In 1988 AD, Arogo Castle, the city of the demon emperor, appeared over Tokyo, and darkness fell again. Just when the human world was in danger, five armored saviors stepped forward...