Lazy Dungeon Master

Lazy Dungeon Master (絶対に働きたくないダンジョンマスターが惰眠をむさぼるまで) is a Japanese light novel series written by Supana Onikage and illustrated by Youta. It began serialization online in April 2015 on the user-generated novel publishing website Shōsetsuka ni Narō. It was acquired by Overlap, who published the first light novel volume in April 2016 under their Overlap Bunko imprint. A manga adaptation with art by Nanaroku has been serialized online via Overlap's Comic Gardo website since 2018. The light novel is licensed in North America by J-Novel Club, and the manga is licensed by Seven Seas Entertainment.

Light novels
The light novel was originally published by Supana Onikage as a free-to-read web novel on Shōsetsuka ni Narō in April 2015 and Overlap published the first volume in print with illustrations by Youta in April 2016. The seventeenth and last volume was published in June 2022. The light novel is licensed in North America by J-Novel Club. As of December 2022, all seventeen volumes have been published in English.

Manga
The series was adapted into a manga series by Nanaroku and published by Overlap, with nine volumes released as of August 25, 2023. The manga is licensed by Seven Seas Entertainment. As of May 23, 2023, four English volumes have been published.