I think you would like to watch new amazing carton series from kickassanime - The Misfit of Demon King Academy
Maou Gakuin no Futekigousha: Shijou Saikyou no Maou no Shiso, Tensei shite Shison-tachi no Gakkou e
Based on a fantasy romantic light novel series written by Shuu and illustrated by Shizuma Yoshinori.Anos, the Demon King of Tyranny, has defeated humans, spirits, and gods alike.
But even demon kings get tired of all the fighting sometimes!
Intending to reclaim his rightful place, he enrolls in Demon King Academy, where he finds that his magical power is off the charts.
Literally. And because they can`t measure his power, the faculty and other students regard Anos as a misfit.
With the support of Misha, the one student he manages to befriend, the misfit (Demon King) begins his climb up the demon ranks!
To Visit: https://www1.kickassanime.rs/anime/the-misfit-of-demon-king-academy-424398