Under the control of psychics who styled themselves as "gods," a massive human war erupted! The result, however, was the deformed evolution of humanity and a drastic regression in technology! A thousand years later, the world is overrun by martial artists, genetically modified humans, cybernetic humans, and psychics! The Four Great Powers of the Continental Federation! The feud between the Continental Federation and the Lud Federation, and the mysterious azure realm rising from the depths of the ocean! Everything is intertwined! Xiao Rang sets out on his journey here!