Anos Voldigord was a totalitarian Demon King that removed people, spirits, and also the gods, yet ended up being tired of eternal warfare and reincarnated with desire for a peaceful world. However, what awaited him in reincarnation after 2000 years were offspring that ended up being as well weak after being accustomed to peace, and all type of magic that wore away to the extreme. Anos goes into Devil King Academy that collects and enlightens those who are considered as the reincarnation of the Demon King, however the academy could not translucent his true powers and ends up branding him as a misfit.