What would an ultra-rational Japanese salaryman do if he was reborn as a girl in a world where magic was real? Obviously, become the Empire's most feared magic soldier, while climbing the army career ladder at the ripe old age of nine. The only things standing in Tanya Degurechaff's way are a world war and maybe a supernatural being or two. But Tanya isn't about to let artillery shells or deadly spells stop her when a cushy desk job is calling!

Istanbul, 1683: Mehmed IV, sultan of the Ottoman Empire, is preparing to lay siege to Vienna, capital of the Holy Roman Empire, when a mysterious visitor arrives in his bedroom-naked, covered in strange tattoos-to deliver a dangerous, world-changing message. Paris, 2017: Ottoman flags have been flying over the great city for more than three hundred years, ever since its fall-along with all of Europe-to the empire's all-conquering army. But Kamal Arslan...