Prequel to Curtis War: Fallen Angel War

"Gods" exist, but they do not love their "creations" They are not the protectors of humans and other living beings. Instead, they hope to use these "creations" that they consider the most failed as their own strength. Humans and other civilizations may have paid huge sacrifices to defeat them, but they will not be killed by mortals, and they will come back sooner or later! This article is influenced by space opera novels such as the "Foundation" series, "StarCraft", "Star Wars", and "Warhammer 40,000".