Overlord The Undead King Oh!Overlord: The Undead King Oh!; Overlord Fushisha no Oh!; Повелитель: О, нежить!; オーバーロード 不死者のOh！

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.