The Misfit of Demon King Academy

, also known as just The Misfit of Demon King Academy or Maou Gakuin, is a web novel written by Shū first serialized in Shōsetsuka ni Narō starting on April 2, 2017 and later published as a light novel series illustrated by Shizuma Yoshinori under ASCII Media Works's Dengeki Bunko imprint. Both web and light novels are ongoing with the light novel having produced 14 volumes as of September 8, 2023. It got adapted into manga series by Kayaharuka that was serialized in Square Enix's Manga Up! shōnen web manga site from July 24, 2018 to July 10, 2021 resulting in 4 tankōbon volumes. An anime adaptation by Silver Link studio premiered in July 4, 2020.

Plot
The Demon King of Tyranny who revived after 2,000 yearsーーー

However, his aptitude at the academy that nurturing candidates for the demon king is ーー "Misfit"!?

Tired of endless conflicts, destroying humans, spirits, and even gods, Demon King of Tyranny Anos Voldigoad, who dreams of a peaceful world has decided to reincarnate. But 2,000 years later, what awaited him after his reincarnation are his descendants who get used to peace and became too weak, and magic is in serious decline.

Anos enrolls in the Demon King Academy, the academy that gathers and educates those who are considered to be the reincarnated Demon King, but it failed to see his power and branded him as the Misfit. Furthermore, the legendary Demon King became completely different from himself.

While being underestimated by everyone, only a young girl Misha who is kind to him as his subordinate, the misfit (Demon King) runs up the demons' hierarchy!!

"Whether it is providence, fate, or miracle, before my eyes, it simply prostrates and vanishes."

Official

 * Official anime website (in Japanese)