Mahoushi ni Noranai Ijin: Mueki na Kenkyuu dato Mahoushou wo Kaiko sareta Tame, Shin Mahou no Kenri wa Dokusen Datta

"It's precisely because of the academic degree that we do theses. Your research is useless."

Ein is a mage who was dismissed from the Ministry of Magic without getting a degree. However, after adopting an orphan, a girl named Shannon, Ein succeeds in developing a new magic that that allows him to be on par with the twelve eminent figures in the history of magic. As a mysterious mage, he will shake the world with his magic!! An exciting magical fantasy where a genius mage who has never been mentioned in the history of magic struggles with research and education of his daughter!

(Source: Kodansha, translated)