リビルドワールドIV 現世界と旧世界の闘争

From Author Wars - https://authorwars.com/books/ribirudowarudoiv-xian-shi-jie-tojiu-shi-jie-nodou-zheng-3320777.html

Overview:

Title: リビルドワールドIV 現世界と旧世界の闘争
Author: ナフセ
Year: 2021
Type: Novels
Series: リビルドワールド
Number in Series: 7

Variant Titles:

2024. Rebuild World IV: The Old and New Worlds at War