This is a war-torn world. The war has lasted for thousands of years. But today, the war miraculously stopped. Human beings are celebrating this day. "The Demon King's City has been breached!" This means that their biggest enemy, the Demon Kingdom, is destroyed. As a victorious country, of course, they must celebrate, "Report! The Demon King has not been found!" However, people searched the entire kingdom and did not find the Demon King. "There is no need to look for it anymore. What can a homeless dog do? "... But in the shadows that humans can't see, "Do you dare to take a gamble with me?" The chessboard that determines the fate of the world begins to slowly move, "Catch him!" The demon princess's personal knight was found at this time, "My first son..." The knight found the missing princess by mistake and escaped, "The plan... Began..."
The knight and princess embark on a journey to restore their country. The short-term peace is about to end. What will happen to them on their journey? A truth concerning the survival of the world is about to surface...
