Youjo Senki II

Tanya Degurechaff is a young girl serving as a soldier in a magical world. Despite her small appearance, she is feared for her intelligence, ruthless actions, and incredible fighting skills; she soon earned the title of “Devil of the Rhine.”

In reality, Tanya was once an adult man who challenged a mysterious god-like figure called Being X. As punishment, he sent her to a magical world, and to prove him wrong, she joined the army and started to fight to become unstoppable. However, the war spread all over the world, but with the intelligence and leadership skills of Tanya, they succeeded in their fights. Now she has to face both powerful enemies and mysterious being X.