Secrets of the Silent Witch Novel Volume 7 was written by Matsuri Isora with illustrations from Nanna Fujimi.

It's time for the Seven Sages to unite! The Flute of the False King, a dangerous magical item that could plunge Ridill into chaos, has a forest full of high-ranking spirits under its command, including Ryn. As the Sages fight a difficult battle, they soon learn that the flute has an even more terrifying, hidden power...Meanwhile, the jig may be up for Monica when a certain student at Serendia Academy sees through her disguise.