All Hell Breaks Loose

From Author Wars - https://authorwars.com/books/all-hell-breaks-loose-3262814.html

Overview:

Title: All Hell Breaks Loose
Author: 三雲岳斗
Year: 2022
Type: Novels
Series: 虚ろなるレガリア / Hollow Regalia
Number in Series: 3

Variant Titles:

2023. All Hell Breaks Loose