神域の魔法使い～神に愛された落第生は魔法学院へ通う～

A wizard from the Divine Realm who has mastered magic and proposed a new magical theory. Just before his death, he uses reincarnation magic and is reincarnated 500 years into the future! He starts a new life as a farm boy named Lucien, but he finds himself in a world where the common sense of his previous life no longer applies and magical technology has declined...!? (Source: Mag Comi, translated)