Watch The Misfit of Demon King Academy: History’s Strongest Demon King Reincarnates and Goes to School with His Descendants episode 12 Eng Sub
Episode 12: Taboo Magic
Maou Gakuin no Futekigousha: Shijou Saikyou no Maou no Shiso, Tensei shite Shison-tachi no Gakkou e Kayou ep 12