Isekai Maō to Shōkan Shōjo no Dorei Majutsu

How Not to Summon a Demon Lord (Japanese: 異世界魔王と召喚少女の奴隷魔術 Hepburn: Isekai Maō to Shōkan Shōjo no Dorei Majutsu, lit. "The Other World Demon Lord and the Summoning Girl's Slave Magic") is a Japanese light novel series written by Yukiya Murasaki and illustrated by Takahiro Tsurusaki. An anime television series adaptation by Ajia-do Animation Works aired from July 5 to September 20, 2018.