After announcing it will be discontinuing all service, the internet game ‘Yggdrasil’ shut down… That was the plan, but for some reason, the player character did not log out some time after the server was closed. NPCs start to become sentient. A normal youth who loves gaming in the real world seemed to have been transported into an alternate world along with his guild, becoming the strongest mage with the appearance of a skeleton, Momonga. He leads his guild ‘Ainz Ooal Gown’ towards an unprecedented legendary fantasy adventure!
The second moon marked the beginning of a revolutionary change. With the emergence of monsters and dungeons in modern society, and the ability users who fight against them, the world faces a shift in its paradigm. It heralds the advent of a new energy source and the decline of traditional occupations. Common sense thus becomes warped and imagination becomes reality.