The Demon School Teacher, called Yōkai-sensei, instructs students at a school for monsters and demons. He teaches them how to scare humans effectively using traditional supernatural abilities. This recurring character appears in multiple storybooks and their adaptations, specifically Book 33 (*Zorori and the Monster Major Leagues*) and Book 38 (*Zorori and the Great Mysterious Treasure Plan*), where he is listed among the introduced characters. In the anime *Motto! Majime ni Fumajime Kaiketsu Zorori*, he features in Season 1, Episode 16, "The Terrifying Monster Field Trip", adapted from Book 46 (*Zorori, the Terrifying Monster Field Trip*). His students include various supernatural beings such as Dracula, Werewolf, Mummy, Gorgon, Kaminari Youngster, Kappas, Giant Octopus, Nurikabe, and Hyakume.