OVERLORD’s writer revealed the next part of the light novel book will be 700 pages lengths. Therefore, the fifteenth volume will be split into two books.
In the epilogue of fourteenth volume, published in March 2020, Maruyama wrote that the series will end with 17 volumes. The thirteenth volume was published in April 2018. Thus, it is estimated that it will take 1-2 years for new books to be born. With the current progress, the author is doing his best to bring new books to readers.
The light novel series written by Maruyama, with illustrations by so-bin, began its serialization online in 2010 via the novel publishing website Arcadia. It was also uploaded to the novel publishing website Shōsetsuka ni Narō in 2012, prior to Enterbrain’s acquisition.
The anime television series adaptation by Madhouse consists of 3 seasons with 13 episodes each, with the first season airing from July 7 to September 29, 2015.