The Misfit of Demon King Academy, Vol. 9 (light novel)

Anos successfully avenges the death of his father by defeating his mortal enemy, Graham. In the aftermath of regaining most of his lost memories from the Erial, something abnormal happens to Sasha, whom he entrusted with the final Star of Creation; she proclaims herself the reincarnation of Abernyu, the Goddess of Destruction. In order to confirm the truth, Anos and his friends follow the fragments of her revived memories and explore the depths of the Demon Castle Delsgade, where they find ...