Isilia was the great demon king who was above the temple and the royal power. Until one day, the prophecy of the crystal ball said that she would die in the hands of the brave sooner or later. Therefore, for the eternal future of her demon clan, the brave must die!
There are he and be endings, the be ending is dark and the male protagonist is yandere and really perverted.
Purpose: True love for life, stay away from sick people