[Light novel] Who killed the hero (1 book)

Publisher: KADOKAWA/Kadokawa Bookstore
Author: Dog, TOI8
Size: 105mm x 148mm
Number of books: 1
Language: Japanese
Category: Light novel
Latest release date: 2023-09-29

Synopsis:
The hero defeated the Demon King.
At the same time -I became a person who never returned.

Four years since the Demon King was defeated.
The kingdom, which has peace of mind, launches a business to compare numerous feats into literature to praise the late hero.
While listening to the past and adventure of the brave from the once fellow knights, Leon, the monks, Maria, and the sage Solon, the truth of the death of the brave is muddy.
"Why was the hero dead?"
Is it the Demon King or a friend who killed the hero?
A fantasy mystery that keeps an eye on a group drama that mixes the kingdom and adventurers' business and emotions.