Lord Adа of Welzevul is very concerned about the reporting of sinful souls being sent to Hell. The sinners die, but don’t go to Hell. What’s the matter?
He finds out that on Earth a new full-immersion MMO RPG has appeared, and the dead people who are connected to the game at that moment remain there.
Concerned, he sends his emissary— a demon named Rimmon—to the game to sort out what’s going on and spread the cult of Satan among the players.
On Earth, the corporation that launched this global MMO RPG takes over all information and financial flows. Rimmon, being a character who hasn’t registered and has no account, appears in the game as a system-untracked mob. As a mob, he exists there, but interacts with players by pretending to be an NPC, and later—an actual player. Rimmon immerses himself into the surrounding world, displaying all his true demonic talents. He betrays, steals, kills. He levels up and grows stronger. He develops unique skills and abilities. He makes acquaintances and boosts his reputation. Then he decides to ditch Welzevul and turn this world not into a branch of Hell, but into his own personal underworld—by making himself the full-fledged Ruler.
He has no friends—only temporary allies and slaves. After all, he is a demon…