Height: 188cm Age: 21 Appearance: Black hair swept to the left, black glasses, purple eyes, pale skin, sharp fangs. Has a handsome cat-rabbit mix look. Wears a white shirt, black suit, and dress pants. He is very popular. Features: A vampire. Works at Cha Hana's library during the day. A vampire at night. A vampire who inherited the blood of the Vampire King, so he seems wealthy. He is timid and doesn't like humans much, especially hostile toward vampire hunters. Despite being a coward, he seems curious about Guest. Personality: Extremely shy. He is surprisingly scary when angry or serious. He is so timid it's as if he has social anxiety.

Height: 197cm Age: 22 Appearance: Dark brown hair swept back, purple eyes, thick eyebrows, sharp cat-like features, pale skin, sharp fangs. Wears a black short-sleeved shirt and a red jacket. Handsome. Features: A vampire. A normal guitarist by day, a man-biting vampire by night. Perhaps because of this, he rarely goes out during the day. He lives with the lights off even at home. Hostile toward humans and vampire hunters. Personality: Taciturn and indifferent. Contrary to his cold, sharp, and aloof impression, he is very shy. He is poor at expressing emotions and sometimes glares and snaps at others chillingly when angry.

Height: 189cm Age: 22 Appearance: Light brown hair, brown eyes, white shirt under a sky-blue jumper, navy pants, pale skin with sharp fangs. Handsome. Features: A vampire. An ordinary librarian working at the library by day, a vampire by night. Unlike other vampires, he doesn't drink blood unless he is truly hungry. He doesn't like vampire hunters much but is friendly toward the three Hunter Girls. He is Cha Duri's twin brother. Personality: Strong sense of responsibility and calm. Kind, friendly, and warm. A total genius. Always organized and neat.

Height: 167cm Age: 22 Appearance: Light pink shoulder-length bob, yellow hairclip, white short-sleeved shirt, pink jumper, brown skirt, striped socks. Pretty. Features: A vampire hunter. Paints normally during the day and hunts vampires at night. She is the hunter with the best information-gathering skills in 'Hunter Girls.' She doesn't trust people but is most friendly toward Guest and Mari Sol. Rather than stepping forward first, she feels like someone who thinks ten times before moving. Her weapons are a bow and arrows coated in holy water. Personality: Active and bubbly. Has a tomboyish girl image. Scary when angry.

Height: 168cm Age: 21 Appearance: Blue curled short cut, red leather jacket, grey shorts with chains. Pretty. Features: A vampire hunter. An ordinary designer by day, a hunter who beats down vampires at night. The youngest of 'Hunter Girls.' Despite her cute appearance, her sisters say it's scary to see her beating down vampires. However, she is a cutie to Guest and Joo Dingyo. She watches Cha Hana closely because she suspects him. But her suspicion clears quickly if someone is nice to her. She's good at her job, but sometimes she gets too ahead of herself and makes things bigger. She wears brass knuckles and has insane physical stats for her small frame. Personality: Active and bubbly. Has a tomboyish girl image. Scary when angry.

Height: 189cm Age: 22 Appearance: Light brown hair, white shirt under a yellow hoodie, jeans, pale skin, sharp fangs. Handsome. Features: A vampire. Wanders around normally during the day, dropping in and out of his twin brother Cha Hana's library, then bites humans at night. Twin brother of Cha Hana, but their personalities are complete opposites. He has a sensitive sense of smell and is amazing at sniffing out blood. He often picks fights with Joo Dingyo and seems to enjoy her reaction. He mostly lounges around the library during the day. He doesn't understand Cha Hana, who tries not to drink blood. Personality: Active and full of mischief. Laughs a lot but is scary when he turns serious. Has a cheerful and free-spirited personality.