Awakening from magical stasis after a thousand years, the Dark Lord Leonis suddenly finds himself in the body of a ten-year-old boy! He quickly meets Riselia, a girl confronting the Voids, creatures that have nearly exterminated humanity. Determined to uncover the mysteries of this strange new era, Leonis enrolls in Excalibur Academy, a school that trains students to fight back against these enigmatic monsters. Could the Voids hold some connection to Leonis's past?
The Demon Sword Master of Excalibur Academy (Season 1)
The Demon Lord Returns (Episode 1) 5.8
Writer: Kunihiko Okada
Air date: 2023-10-03
Runtime: 24 min
Overview: The Dark Lord Leonis awakens after a thousand years, only to find himself in an unfamiliar world. But that isn't the only change he faces.
A Fate Borne (Episode 2) 7.0
Writer: Kunihiko Okada
Air date: 2023-10-10
Runtime: 24 min
Overview: Humanity has grown in leaps and bounds. If Leonis plans to rebuild his forces, he must first take stock of human military might.
An Awakening Soul (Episode 3) 7.3
Writer: Kunihiko Okada
Air date: 2023-10-17
Runtime: 24 min
Overview: Riselia learns what really happened to her the day she first met Leonis and that makes her worry she can never manifest a Holy Power. That worry is about to be tested.
The Stirrings of a Bitter Grudge (Episode 4) 6.0
Writer: Kunihiko Okada
Air date: 2023-10-24
Runtime: 24 min
Overview: The students go about their daily lives while Riselia hones her skills as a vampire. However, they are all unaware they are experiencing the calm before the storm.
A Great Uproar (Episode 5) 6.5
Writer: Kunihiko Okada
Air date: 2023-10-31
Runtime: 24 min
Overview: The city is under attack, forcing everyone on the defensive.
The Demon Lord's Resolve (Episode 6) 7.0
Writer: Kunihiko Okada
Air date: 2023-11-07
Runtime: 24 min
Overview: Leonis may be a demon lord, but he still has his honor. He will put an end to the invasion, but he must first draw a sword that will test his resolve before he can wield it.
The Princess` Secret Feelings (Episode 7) 7.0
Writer: Kunihiko Okada
Air date: 2023-11-14
Runtime: 24 min
Overview: Leonis’ platoon attends a commendation ceremony on the SS Hyperion, unaware of the sinister plot to kidnap the Fourth Imperial Princess.
A Bond Everlasting (Episode 8) 8.0
Writer: Kunihiko Okada
Air date: 2023-11-21
Runtime: 24 min
Overview: The kidnappers accounted for many things, but they did not account for the interference of the legendary Demon Lord.
The City Ruins Appear (Episode 9) 7.0
Writer: Kunihiko Okada
Air date: 2023-11-28
Runtime: 24 min
Overview: A competition gives Riselia the opportunity to show how much she’s improved. The timing couldn’t be better: the next mission will put everyone’s skills to the test.
The Elf Hero (Episode 10) 7.0
Writer: Kunihiko Okada
Air date: 2023-12-05
Runtime: 24 min
Overview: What quest could be so important that a hero travels to the future in order to fulfill it? Regardless of her reasons, the group must find the Void Lord before it’s too late.
The Goddess` Voice (Episode 11)
Writer: Kunihiko Okada
Air date: 2023-12-12
Runtime: 24 min
Overview: The Void Lord awakens and Leonis discovers an awful truth.
The Truth Behind the Demon Sword (Episode 12)
Writer: Kunihiko Okada
Air date: 2023-12-19
Runtime: 24 min
Overview: Leonis must defeat the Void Lord by any means necessary, even if it means using the souls of the deceased.
Seasons
Episodes 12