Saga of Tanya the Evil

"The Saga of Tanya the Evil," known in Japanese as "Yōjo Senki," is a Japanese light novel series written by Carlo Zen and illustrated by Shinobu Shinotsuki. The story follows a ruthless, atheist Japanese salaryman who, after being murdered, is reincarnated as Tanya Degurechaff, a young girl in an alternate World War I-like setting. To avoid damnation and a natural death, Tanya joins the Empire's Mage Corps, hoping to rise through the ranks and stay away from the front lines. However, her exceptional military abilities and ruthless nature lead her to become known as the "Devil of the Rhine." The series delves into the brutal realities of war, the clash between faith and atheism, and the conflict between rationality and emotion. It has expanded into various media, including manga, anime, and a film, garnering a global following.