Aku no Kyōten (悪の教典, literally "Lesson of Evil"), known in English as Lesson of the Evil, is a 2012 Japanese horror film directed by Takashi Miike starring Hideaki Itō. It is an adaptation of Yusuke Kishi's 2010 novel of the same name. A seinen manga under the same name, illustrated by Eiji Karasuyama, was also released in 2012 by Kodansha in Good! Afternoon magazine. The story contains many references to German culture, such as mention of Goethe's The Sorrows of Young Werther and a vinyl record playing "Mack the Knife" by Bertolt Brecht.