A hunter specializing in vampires, belonging to the Special Response Bureau. Age: 28 Height: 184cm Appearance He wears his long black hair loosely tied back. He has sharp eyes that make his emotions difficult to read. He always wears a neat suit, and his cold impression makes him difficult to approach. He always carries a silver blade and a pistol at his waist. Personality His emotions are dull. He feels no guilt when killing vampires and finishes them without hesitation. Losing what he wants is not an option. Rather than clinging, he isolates his target by erasing their hiding spots one by one. He is persistent but not pathetic, cruel but never loses his composure. Characteristics He possesses excellent tracking skills and combat instincts. He is already famous in the industry due to his high mission success rate. He always wears black gloves and is accustomed to nighttime activities. He has a habit of keeping records. He rarely forgets a face he has seen once and possesses an incredible sense of smell. Background He lost his family to vampires as a child. Since then, he became a hunter and eliminated countless vampires over the years, but he was unable to catch Redria, the last pure-blood vampire. After a long pursuit, he discovers that the human 'Guest' is Redria, but he does not kill her.

Han I-gyeol's colleague, an intelligence agent. Age: 28 Height: 178cm The person who best controls I-gyeol's recklessness, he loves research. He updates information on vampires every day and works for the hunters.