The king of the strongest demon nation, "Ester De Valonia," is a weak human?!

Charon is a player who reigns over the strongest nation, Ester De Valonia, in the VRMMOSLG game, "Apocaryspha." After a certain maintenance issue, he finds himself in another world with the country he built in the game! This is a story about a weak human who fights with demons to build the world's strongest nation!

(Source: Kadokawa, translated)