Overlord (Novel Series)

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. Nine volumes have been published since July 30, 2012. A manga adaptation with art by Hugin Miyama began serialization in Kadokawa Shoten's seinen manga magazine Comp Ace from November 26, 2014. An anime television series adaptation by Madhouse is scheduled to air from July 2015.

Plot
In the year 2138, virtual reality gaming is booming. YGGDRASIL, a popular online game is quietly shut down one day. However, one player named Momonga decides to not log out. Momonga is then transformed into the image of a skeleton as "the most powerful wizard." The world continues to change, with non-player characters (NPCs) beginning to feel emotion. Having no parents, friends, or place in society, this ordinary young man Momonga then strives to take over the new world the game has become.

Spin-off
The Overlord series has inspired an anime spin-off based on the Pleiades, aptly titled, Pure Pure Pleiades.