Oujo Denka wa Oikari no you desu

The Greatest Mage, Princess Leticiel, lost her life in a war and transmigrated a thousand years into the future. Angered by the regression of “Magecraft” in that world, Leticiel set out to develop it, much to her surroundings’ dismay. However, her actions would soon get her and the people she knew involved in a certain plot…