The Greatest Demon Lord Is Reborn as a Typical Nobody novel volume 5 was written by Myojin Katou with illustrations by Sao Mizuno.

At the queen's request, Ard is summoned to serve as her guard at an international conference between the world's major powers hosted in Megatholium. As the greatest players assemble in one room, he stumbles across Lizer--formerly a Heavenly King, now serving as the pope of a mysterious religion...