The Demon Sword Master of Excalibur Academy Novel Volume 9 was written by Yu Shimizu with illustrations by Asagi Tohsaka.

Leonis and Riselia finally reunite amidst disaster in the imperial city. And although the Voids are being pushed back, they have a new problem: Leonis’s minion, Rakshasa Nightmare. Meanwhile, Prince Alexios, hoping to defeat the Voids once and for all, searches for any surviving Dark Lords and unwittingly contacts Leonis! During all this trouble, a mysterious person known as the Queen of the Realm of Shadows plots from the dark...