Although there are only 4,381 legal residents in Foggy Oak Town, the canteen has an extra set of tableware every day.
Trainee clerk Anser followed a bowl of mushroom soup and found a girl in the filing cabinet whose identity crystal could not be detected. In order to apply for a new household registration for her, he solemnly put pen to paper, and then successfully filled in her occupation as - Demon King.
What's worse is that this registration actually took effect. Since then, they have fled all the way, and they have a group of companions who are not regular at all: Cole, who was not selected by the Holy Sword, but looks more like a brave man than anyone else; Cola, a monster ecologist whose silver horn rings when he lies; "Your Majesty", a brave man who was personally selected by the Holy Sword; and "Zhang", a contracted young dragon who treats legal documents as snacks.
This adventure group, whose team list is difficult to fill out, begins to battle wits and courage with ridiculous regulations all over the world. They filled out forms, stamped, and exploited loopholes along the way, but gradually discovered that the most dangerous thing in the world was never the monsters, but the rules that put "correct records" as more important than "people being alive."
They do not want to destroy all order, but want to prove that rules should protect people, not define them; their names, identities, and lives should be chosen by themselves and have the right to modify them.
After all, even the devil cannot let a wrongly filled out form determine his whole life.