Commander of the Empire's Witches

In an alternate 1918, humanity's crumbling empire wages a desperate war against an alien swarm. Winter closes in, resources dwindle, and collapse looms on every horizon. A young commander arrives from distant lands, uncovering secrets that shake the foundations of reality itself. Armed with supernatural witches and mechanical war machines, he must forge humanity's last stand. But in a world where truth is layered and nothing is as it seems, can one man become the hope that saves civilization from extinction?