モンスターのご主人様13

From Author Wars - https://authorwars.com/books/monsutanogozhu-ren-yang-13-3178025.html

Overview:

Title: モンスターのご主人様13
Author: 日暮眠都
Year: 2018
Type: Novels
Series: モンスターのご主人様 / Monster Tamer
Number in Series: 13

Variant Titles:

2023. Monster Tamer 13