The Demon Sword Master of Excalibur Academy[a] (聖剣学院の魔剣使い, Seiken Gakuin no Makentsukai) is a Japanese light novel series written by Yū Shimizu and illustrated by Asagi Tōsaka.

In the year 447 of the Holy Calendar, the Undead King, Leonis Death Magnus, also fell but before his capital, Necrozoa, was conquered, he sealed his own body with a powerful barrier and cast a resurrection spell on himself.

In the present time, a young girl named Riselia Ray Crystalia stumbled upon the ancient ruins of Leonis's mausoleum.

[6] A manga adaptation with art by Asuka Keigen began serialization in Kadokawa Shoten's Monthly Shōnen Ace magazine on November 26, 2019.

[53] It is produced by Passione and directed by animator and lecturer[54] Hiroyuki Morita, with series composition by Kunihiko Okada and character designs handled by Takayuki Noguchi and Satsuki Hayasaka.

[64] In the United States, the entire series was released on Blu-ray on August 13, 2024, with the sole extras being the credit-less intro and outro.

[67] Neil Lumbard of Blu-ray.com gave the series a positive review, praising its "fun energy", art style and Yuji Nomi's score.