Tanya Degurechaff is a young girl with porcelain skin, cyan eyes and blond hair has enrolled into the Imperial Military Academy final curriculum. She is training in third patrol line as part of her employment to the military at Norden Theater which is the northern military district. Tanya was once among the elite Japan’s officer but due to a wrathful god has caused her to be reborn as a little girl. Career advancement and optimization are the top priority of Tanya. She will soon become the most merciless Imperial Army’s aviation sorcerers.