In Felicidad, farmers known as the Farmagia raise monsters under the peaceful rule of the Magus Diluculum. After the Magus passes, a power struggle erupts among forces using monsters to seize control. In the town of Centvelt, Farmagia Ten and his friends band together against the despotic new ruler, Glaza. Ten, his friends, and their home-grown monsters must stay strong to defend their freedom.
The crown of England has been hotly contested throughout history, and in the Middle Ages, a series of great civil wars became known as the War of the Roses. Claiming a right to the throne, the Duke of York seeks to unseat King Henry VI and his heir in order to become king himself.
Japan has been invaded and conquered by the Britannian Empire. Japan is now known as Area 11 and its citizens known as Elevens. The Britannian Empire takes away Japan's autonomous power and imposes its rule through the use of Knightmares. The Empire's rule has never faltered, but cracks have begun to show...
On the front lines of the war, Tanya Degurechaff, blond hair, blue eyes, and porcelain white skin, commands her squad with lisping voice. Actually, she is one of Japan's most elite salary men, reborn as a little girl into a world of magical warfare after angering a mysterious being who calls himself God.