Bringing a system to the plausible 80 years of America. Dean thought this was just an ordinary world, but gradually discovered that the ordinary is only an illusion on the surface, and the mystery is hidden deep in the shadows: the human body is painful and weak, but the love in the heart isIt can break the boundary between life and death. Strange creatures quietly put on disguises, and use pure fairy tales to cover up the cruel truth. A mask between human heart and animal nature, order and madness are constantly fighting in the mind. Supernatural tames fantasy and reality, upside down the world and swallowDeadly mystery. The world is a hunting ground. Dean is not a prey, so he can only raise a shotgun.