In 913 AD, the Galactic Federation was officially established. This war, which lasted for more than a thousand years, became the cruelest and greatest page in human history. The Galactic Federation is an agreement system centered on the solar system, covering more than a dozen galaxies of various sizes within 20 billion light-years, and nearly a hundred colonial planets. The first ruler of the Federation was Terrio Lane. With his superhuman ruling talents, he established the most complete and largest class system in history in just twenty years. He also established the "Lane Empire" on the home planet of mankind, "Earth", which is the core of the federal government. The people lived a prosperous and happy life under Emperor Llane's rule. However, no one expected that a thousand years later, the solid federal ruling class would face its first major crisis...