The retired former Demon King met a young man who had lost his memory in his territory one day. The handsome young man knelt down devoutly and swore allegiance to the Demon King, and became the Lord Demon King's caring knight.
Until one day——
Gerald: Lord Xavier, I seem to have accidentally turned into a hero. Can you go with me to conquer the Demon King?
Former Demon King:... Eh?
King: Lord Brave, please...
Gerald: Sorry, because Lord Xavier doesn't want to go, so I won't go either.
King:…
Former? His Majesty the Demon King:...
Silly and sweet Western fantasy, a product of self-entertainment without strict settings.