The Saga of Tanya the Evil, known in Japan as Yōjo Senki (幼女戦記, literally "The Military Chronicles of a Little Girl"), is a Japanese light novel series written by Carlo Zen and illustrated by Shinobu Shinotsuki. An anime television series adaptation by NUT aired from January 6, 2017 to March 31, 2017. Crunchyroll has licensed the series in North America. The opening theme is "Jingo Jungle" by Myth & Roid and the ending theme is "Los! Los! Los!" ("Come On! Come On! Come On!") by Aoi Yūki as Tanya Degurechaff.