In year 1799, the Gods vanished from earth in one night, abandoning the humans and their extravagant palaces in the sky. Nobody knew why but soon,nobody cared why. In 1813, the Naturals set forth the prosecution of the Changelings simultaneously in the four regions and a year later, the War of Exodus was set in motion. Year 2015, the final battle approaches. / chansoo main, sekai side, and mentions of other pairings, including baekchen, krisho and layhan.