ウォルテニア戦記 XXI

From Author Wars - https://authorwars.com/books/uoruteniazhan-ji--xxi-3242071.html

Overview:

Title: ウォルテニア戦記 XXI
Author: 保利亮太
Year: 2022
Type: Novels
Series: ウォルテニア戦記
Number in Series: 21

Variant Titles:

2023. Record of Wortenia War XXI