An Archdemon's Dilemma: How to Love Your Elf Bride Novel Volume 19 was written by Fuminori Teshima and illustrated by COMTA.

After proposing to Nephy, enjoying a sightseeing trip, and just generally taking a nice, long break, Zagan finally reaches the ends of the earth. With all thirteen Archdemons present, Eldest Marchosias reveals the shocking truth of the war that took place one thousand years ago... and the fact that the world will apparently end in a year! Unfortunately for Zagan, Eldest Marchosias's schemes are already in motion before he can even start to process these revelations!