Children of the sky

The story takes place in a futuristic world where humans have colonized the . In this world, humans coexist with all sorts of passive and hostile alien civilizations. Amidst these stars, a galactic war rages between humans and the Cliatus, an advanced alien species that, like humans, covets resources. The Cliatus are gray humanoid beings, on average slightly taller than humans. They possess greater strength than humans, but less endurance