A leak from Weibo notes that the light novel series Seiken Gakuin no Makentsukai (The Demon Sword Master of Excalibur Academy), written by Yū shimizu and illustrated by Asagi Tōsaka, will give a «important announcement« the day October 21 in Japan. It is strongly speculated that it is his animated adaptation, which remains unconfirmed by either party.
The publication of the Kadokawa publishing house since 2019 and has 7 published volumes, being the eighth to be published on October 25 in Japan. In addition, through the same editorial in his magazine Shonen Ace he publishes a manga illustrated by Asuka keigen.
In the fantasy story, the demon king Leonis locked himself away for 1,000 years to prepare for the final battle, but when he woke up, he found himself in the body of a ten-year-old boy. A beautiful young woman named Lisellia, from the Academy of the Sacred Sword, then said to him: “Why were you locked in such a place? Now it’s okay, this older sister will take care of you! ” Under Lisellia’s care, Leonis is shocked to see that the world has completely changed. Bewildered and confused, Leonis finds himself enrolled in the Academy of the Sacred Sword.