The Misfit of Demon King Academy Episode 1

The Misfit of Demon King Academy (魔王学院の不適合者, Maō Gakuin no Futekigōsha) is the 1st episode of Maō Gakuin no Futekigōsha anime series.

Synopsis
2,000 years ago, Anos, the strongest demon king in history, has reached the limit of tyranny. An entrance exam was conducted at the modern Demon King Academy, the academy that nurtures the ones who inherited his blood, "Demon Emperors". The exam content was a "practical test" in which students make duels. What appeared there was Anos, the reincarnated Demon King of Tyranny, who was tired of the rough world 2,000 years ago.