Defending Earth

From Author Wars - https://authorwars.com/books/defending-earth-2924287.html

Overview:

Title: Defending Earth
Author: Пётр Жгулёв
Year: 2021
Type: Novels
Series: Город Гоблинов / In the System / Real-RPG
Number in Series: 3

Variant Titles:

2021. Defending Earth