On How Difficult It Is to Lift up a Country

That year, the emperor was named King of Anle. That year, the prince rebelled and killed the emperor. That year, the Yangtze River made a brotherly covenant. That year, the emperor died after falling into the water. That year, the city of Jinling was destroyed and the brotherhood no longer existed. Countless mysterious stories happened in the world that year. A high school student travels back in time to become the emperor of a country that is about to be destroyed, and plays a "game" against the world.