"A powerless cleaner is bound to a forbidden shadow. Can he survive a world that hunts both man and monster?" Arin, a lowly cleaner in a world where hunters battle shadow beasts, stumbles upon a mysterious black ring after a raid. When he puts it on, a powerful entity binds itself to him, burning a mark into his body. Now chosen against his will, Arin must uncover the truth behind the Seven Shadows while struggling to survive in a world that sees him as powerless. His fate is no longer his own—