はたらく魔王さま!SP

From Author Wars - https://authorwars.com/publications/hatarakumo-wang-samasp-867716.html

Overview:

Title: はたらく魔王さま!SP
Author: 和ヶ原聡司
Year: 2018
ISBN-10: 9784048938778
Publisher: Kadokawa
Pages: 312
Binding: Paperback
Type: Novel
Title Reference: はたらく魔王さま!SP
Notes: Data from Amazon.co.jp