En no Shita no Chikara Mocher: Maou Toubatsu shitara Wakagaetta node, Gakuen de Kage kara Support shimasu  

Ennoshita no Chikara Mocha: Maou Toubatsu Shitara Wakagaetta node, Gakuen de Kage kara Support Shimasu, 縁の下のチカラモチャー　～魔王討伐したら若返ったので、学園で陰からサポートします～

The group of heroes found themselves in a precarious situation when they came face-to-face with the powerful demon Ashtarte during their battle against the Demon Lord. Despite Ashtarte's fearsome abilities, Sakuya managed to seal it away into a stone tablet, which ultimately led them to victory over the Demon Lord. However, Sakuya fell victim to the final curse of the Demon King and became trapped in the "Corridor of Death." Meanwhile, fans eagerly await the manga adaptation of this hilarious school fantasy series!