War, the Daily Life of a Spy

What should I do after traveling to another world? Are you free? Can you come to the rescue? Xu Lu accidentally traveled to another world and entered the body of a man named Charlemagne Schmidt. He originally wanted to join a spy organization to survive, but in the end Not long after landing, I discovered that the world had been transformed into a large-scale war instance, and the source of all this was the underlying rules of this world - the Crown War, and of course, that abominable Goblin...