Episode 1

The Demon Lord Returns is the first episode of Seiken Gakuin no Makentsukai anime adaptation.

Synopsis
In the age of myths, the immortal demon lord Leonis Death Magnus, after being pushed to the brink of defeat in his battle against humanity's heroes, retires into a long slumber, hoping for a comeback. And a thousand years later, under unexpected circumstances, Leonis awakens. He is rescued by a girl named Riselia who came for an archaeological expedition, but then the enemy of humanity, known as the Void, attacks. Riselia's companion, Regina, fights against the Void using an ability called the "Sacred Sword," unknown to Leonis. In a world that has changed in every way since he went to sleep, Leonis is forced to make a decision.

Characters

 * Archsage Arakael (debut)
 * Tearis Resurrectia (debut)
 * Leonis Death Magnus (debut)
 * Blackas Shadow Prince (debut)
 * Shary (debut)
 * Riselia Ray Crystalia (debut)
 * Regina Mercedes (debut)
 * Roselia (debut, flashback)