The Devil Is a Part-Timer! (はたらく魔王さま! Hataraku Maō-sama, lit. Working Demon King! or Demon Lord at Work!) is a Japanese light novel series written by Satoshi Wagahara, with illustrations by Oniku (written as 029). ASCII Media Works has published eleven volumes since February 2011. The story is about a demon king named Satan seeking to conquer the world of Ente Isla but, when confronted by the Hero Emilia Justina, is forced to retreat through a portal that transports him to modern day Tokyo, Japan. To survive and
find a way to return to Ente Isla, Satan gains part-time employment at a fast food restaurant. There have been two manga adaptations published by ASCII Media Works in Dengeki Daioh and Dengeki Maoh. A 13-episode anime adaptation produced by White Fox and directed by Naoto Hosoda aired between April and June 2013.