Overlord: The Undead Oh!

Overlord: The Undead Oh! or Overlord Fushisha no Oh! is a spin-off manga of the Overlord series. In the February 2017 issue of Kadokawa's Monthly Comp Ace's magazine, it was a four-panel spin-off manga that was launched alongside Overlord: The Undead King. It is a comedy manga series written by Jūami.

Plot
Overlord: The Undead Oh! is a compilation of non-cannon short stories, that revolves around the interactions between the members of the Great Tomb of Nazarick. The manga is a gag comedy series based on the original light novels.

Trivia

 * The title is a play on Overlord: The Undead King.