Ulysses: Jeanne d'Arc and the Alchemist Knight (Light Novel)

In 15th-century France, during the Hundred Years' War with England, Montmorency, the son of a noble, immerses himself in the study of magic and alchemy at a school for knights. However, after France's defeat at Agincourt, the school is disbanded and Montmorency is forced to flee. While on the run he meets a miraculous village girl named Jeanne.