Overlord 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. Sixteen volumes have been published since July 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 nove... Wikipedia