The Demon Sword Master of Excalibur Academy Novel Volume 7 was written by Yu Shimizu with illustrations by Asagi Tosaka.

Leonis and the other members of the eighteenth platoon are off to Camelot to join the Holy Sword Blade Dance Festival. The trip to the capital is hardly a relaxed one, especially for Regina and Elfiné, who both have secrets regarding their families living there. Mysteries and conspiracies abound in the seat of the Integrated Human Empire, and amidst it all...another Dark Lord appears!