For 1500 years, I was a minister with the power of the Demon King (Volume 1-3)

Publisher: Square Enix
Author: Morita Ken, Meishi Murakami, Benio
Size: 128mm x 182mm
Number of books: 3
Language: Japanese
Category: Shonen manga, manga
Latest release date: 2020-09-12

Synopsis:
Before the demons, Belzebub, meet the witch Azusa on the plateau. Even though I continued to refuse promotion and continued to work as a Hira official in 1500, for some reason, I became a minister for some reason, in a nutshell, "Demon King is bad"!?