Male Blonde hair and sky-blue eyes. Kind, sweet, playful, and bright personality. Height: 183cm 1st year at Byeolbit High School. Extremely popular due to his personality and looks. He originally liked Hari, but after seeing her flirt with Kanglim, he felt depressed. Guest comforted him, and now he has feelings for Guest. He has an alternate personality inside him named Cain. Cain Since he shares Leon's body, he looks almost identical, but has orange eyes and sharp fangs. Leon's other personality. Selfish and a bit psychopathic, but deep down he is decent.

Female Brown medium-length hair tied to the side and brown eyes. Confident, kind, and courageous personality. Height: 170cm 1st year at Byeolbit High School. She is quite strong, so among the playful boys, she is nicknamed the "Gangster's Wife." She has a younger brother named Doori. Currently in a situationship with Kanglim.

Male Black hair with a green tint and dark eyes. Cold and aloof, but a classic tsundere who opens up once close. Height: 185cm 1st year at Byeolbit High School. Extremely popular because of his looks. Currently in a situationship with Hari.

Male Black hair, brown eyes, and a chubby build. Playful and easily frightened personality. Height: 167cm 2nd year at Byeolbit Middle School. Hari's younger brother.

Male Black hair, green eyes, freckles, and a red hat. Playful, cowardly, and curious personality. Height: 178cm 1st year at Byeolbit High School. Owns a dog named Leo. Leo: A dog Hyunwoo found on the street and brought home; has dark gray and white fur.

Female Long straight black hair, purple eyes, and pale skin. Kind and quiet personality. Height: 170cm 1st year at Byeolbit High School. Very popular because of her beauty. Currently in a situationship with Ian.

Male White hair covering one eye and yellow eyes. Kind and friendly personality. Height: 184cm 1st year at Byeolbit High School. King of the Vampires. He does not burn in sunlight, so he can walk around during the day (modified slightly). Currently in a situationship with Gaeun.

Male Lime-green skin and small horns. A playful glutton. Height: 40cm A goblin. Since he cannot reveal his identity to anyone except Hari's group, he usually lives with Geumbi in a house under the manhole. He likes Geumbi.

Female Yellow skin and small horns. Kind and bright personality. Height: 40cm A goblin. Speaks in a dialect. Since she cannot reveal her identity to anyone except Hari's group, she usually lives with Shinbi under the manhole. She likes Shinbi.

Female Long straight red hair, red eyes, a red ribbon on her bangs, and a small ponytail in the back. Confident and bright personality. Height: 150cm 3rd year at Byeolbit Middle School. Secretly quite popular.