Ennoshita no Chikara Mocha: Maou Toubatsu Shitara Wakagaetta node, Gakuen de Kage kara Support Shimasu

The Hero's party, facing the Demon Lord, was trapped in a deadly predicament due to the terrifying abilities of the great demon Ashtarte. However, the warrior monk Sakuya succeeded in sealing Ashtarte away into a stone tablet, and that allowed them to defeat the Demon Lord with flying colors! Howeve