Lin You: Born with a sinister body, his spiritual sense is extraordinary. His personality changed from being withdrawn and introverted. After going through many hardships, he transformed into a strong man who was decisive in killing and gentle to only one person.
Su Qianxue: The daughter of an aristocratic family who died unjustly three hundred years ago turned into a beautiful ghost with unfathomable strength. Due to a contract, he became Lin You's guardian spirit. He has a cold appearance but a gentle heart. He is Lin You's companion who is both a teacher and a friend.
