Reincarnated as a Sword (Manga) Vol. 11 by Llo

THE SEVENTY-TWO DEMONS OF DIABLOSAfter their plan to save the royal twins Fult and Satya is exposed, Fran and her companions are forced to retreat. Fran and Teacher suspect there's a traitor hiding in their midst, one with ties to the Kingdom of Seedrun. Soon, the captive royal twins will have a chance to show off their fearsome power!
Binding: Paperback / softback