After winning the battle of Katze Plains and founding the Sorcerer Kingdom of Ainz, they aim for a utopia of perpetual continuity and prosperity, a world where many races kneel before Ainz. As the first step toward achieving this goal, Ainz heads to the Empire to strengthen the Adventurer’s Guild and incorporate it into the state. Behind the scenes, the nations of the world are beginning to stir with their own agendas for the Sorcerer Kingdom...! Ainz's high road, once again!

4-koma gag comedy spin-off of the Overlord series. A compilation of non-cannon short stories, that revolves around the interactions between the members of the Great Tomb of Nazarick.

The story begins with Yggdrasil, a popular online game which is quietly shut down on its last day. Our protagonist Momonga decided to stay until the last moment in his beloved game and wait for the force logout. Unexpectedly, the server did not shut down and Momonga is stuck in his skeleton body and got transferred to another world. "The powerful Overlord" needs now to discover a new world and face the continuous challenges.

Having no parents, friends, or place in society, this ordinary man strives to take over the new world the game has become.