Eon Viant - Eon Viant Saga, #1

An interplanetary war has left Earth in ruins! As a member of the elite House of Knights, Okiro Hatate fights to restore order to the broken world. Once promoted to captain, his organization assigns a teen with extraterrestrial powers to his squad. Haunted by guilt, plagued with doubt, Okiro must find his inner strength and become the leader his team needs. With a powerful alien and a dangerous swordswoman at his side, will it be enough to stop a formidable enemy who knows everything about them?