In a world where hunters are bound by their bloodlines, the elite Black Sky Group dominates all others, their privilege passed down through generations. Hanul Lee, a struggling third-rate hunter fighting to survive day by day, harbors a secret—an extraordinary bloodline he never knew he possessed. When Black Sky comes calling, Hanul Lee's ordinary existence shatters. A single invitation becomes the catalyst that transforms his fate, thrusting him into a realm where bloodline determines everything and destiny can be rewritten by those bold enough to claim it.