Overlord (オーバーロード, Ōbārōdo) is a Japanese light novel series written by Kugane Maruyama and illustrated by so-bin. It began serialization online in 2010, before being acquired by Enterbrain. Eleven volumes have been published since July 30, 2012. A manga adaptation by Satoshi Ōshio, with art by Hugin Miyama, began serialization in Kadokawa Shoten's manga magazine Comp Ace from November 26, 2014. Both the light novels and the manga are licensed in North America by Yen Press, with a release date of November 8, 2016.
A 13-episode anime television series adaptation by Madhouse aired between July 7 and September 29, 2015. Two compilation anime films recapping the events from the anime television series were released in Japan on February 25, 2017 and March 11, 2017, respectively. A second season of the anime series is scheduled to premiere in January 2018. A third season premiered on July 10, 2018.
The story begins with the last day of Yggdrasil, a popular online game which is being quietly shut down. Our protagonist Momonga decides to stay in his beloved game until the last moment, so waits for the forced logout. Unexpectedly, the server does not shut down and Momonga is stuck in a skeleton avatar in another world. "The powerful Overlord" needs now to discover the new world and face the continuous challenges that arise.
Having no parents, friends, or place in society, this ordinary man decides to take over the new world the game has become.