A young resident traumatologist, Mirra, has just finished a grueling shift. Her day is clouded by the death of an unknown patient, a colleague’s betrayal, and humiliation from her superiors. But that’s not all. The ghost of the deceased patient bursts into her life, granting her a magical gift—the Gatekeeper’s power. Now Mirra is a guardian, protecting the human world from beings from other realms. This Real RPG novel unfolds in a modern city, where reality intertwines with the mystical. The everyday life of a hospital—its routine and the details of medical procedures—creates a contrast with the mounting sense of dread. Unexplainable phenomena and a formidable order pursue the heroine, revealing to her hidden secrets.