Five years ago, Rulebound Horror descended on the Dragon Kingdom without warning. Every so often, its world randomly selects someone to represent their country and enter a realm of the unknown and the terrifying, where they must face grueling challenges. If they fail, horrors will surge into the country they represent like a raging tide, bringing endless disaster. Everything the chosen players do in the Rulebound Horror world is broadcast live to the entire world. He had witnessed this global catastrophe before. Over the past five years, 23 countries had been completely erased from the map after their challengers broke the rules.