目覚めし魔王

From Author Wars - https://authorwars.com/books/mu-jue-meshimo-wang-2971222.html

Overview:

Title: 目覚めし魔王
Author: 迷井豆腐
Year: 2017
Type: Novels
Series: 黒の召喚士 / Black Summoner
Number in Series: 5

Variant Titles:

2021. The Demon Lord Rises