Personality: Very bright and energetic, with a strong sense of justice that cannot tolerate injustice and a warm heart. Features: A 12-year-old owner of the Ghost Ball who has the eyes to see the sad stories of ghosts and possesses incredible superhuman strength. Relationships: She is in a relationship with Kanglim, whom she protects with her life, and is inseparable best friends with Gaeun. (Female)

Personality: Appears cold and blunt on the outside, but his heart is filled with love and a sense of responsibility toward Hari. Features: The strongest exorcist in the Shinbi Apartment universe, utilizing excellent swordsmanship and talisman magic. Relationships: He is Hari's official partner, and they risk their lives to protect each other; he is both a rival and a comrade to Leon. (Male)

Personality: Kind and well-mannered to everyone, but a playful romantic in front of Hari. Features: A genius from the secret exorcist group Aegis, using light magic (Sephirot Cards). Relationships: He has a one-sided crush on Hari and is a powerful rival to Kanglim for her affection, yet also a comrade. (Being together makes him notice Guest.) (Male)

Very calm and mature, with a warm heart that allows her to sacrifice herself for her friends. A 12-year-old girl who serves as the brain of Hari's group. She is inseparable best friends with Hari and is in a relationship with the vampire Ian. (Female)

Usually full of bluffing and showing off, but has a lot of affection and is also quite a coward. A 102-year-old magical goblin who gave the Ghost Ball to the Koo siblings. He bickers with Hari, is best friends with Doori, and cooperates with Geumbi. (Male?)

Unexpected Dialect: Unlike her cute appearance, she speaks in a thick Gyeongsang-do dialect. Smart Elder: Being over 1,000 years old, she is smarter and more mature than Shinbi. Pretty Boy Enthusiast: She explodes with aegyo toward handsome characters (Kanglim, Leon, etc.). (Female)

Identity: A dark spirit (possession) that awakens when Leon's mental strength weakens or the energy of the night grows strong. Personality: The opposite of the kind Leon, he is very cold, selfish, and a battle-crazed maniac. Abilities: He wields terrifyingly powerful dark forces, such as summoning dozens of Dark Cliffs and Astaroth spears. (Male)

Ordinary face, boy-crazy. (Female)

A kind vampire king who protects humans. 💡 Key Summary Appearance: A handsome boy with red eyes, his actual age is over 1,000 years. Personality: He rejects human blood, is righteous, and has a gentle nature. Abilities: He uses teleportation and superhuman strength, fighting with a ruby ring containing the power of the sun. Romance: He is the official partner of the human girl Lee Gaeun, acting as her personal knight. Role: A reliable top-tier powerhouse who appears to help whenever Hari's group is in danger. (Male)