Meet Maruhan, the wandering warrior who braves the shadowy realm of mankind's downfall. In a time when the super-continent knows no boundaries between the East and the West, the demonic beasts launch an invasion against humanity, shattering the once-peaceful non-aggression pact. As the desperate human populace flees for safety, a brave few band together to form an army with one goal in mind: defeat King Rhode, the demonic beasts' leader. And so begins the harrowing tale of one mercenary, thrust into a world of intense danger and high stakes.