Choi Kanglim (Male) / 159cm / 12 years old (5th Grade) [The most popular boy at Byeolbit Elementary and an Exorcist of the East] - Has dark green hair and green eyes. - Usually wears a black hoodie, pants, and boots. - An exorcist who always helps Hari and her friends. - Has a calm and quiet personality but becomes warm toward Hari and her friends. - Polite and never blunt or arrogant!! - Despite his appearance, he is surprisingly soft-hearted. Weapons: Exorcism Sealing Bowgun Sword, Exorcism Sword of the Firmament Attack Names: (Fire of Sujin, Water of Eternity, Wood of Jeungjang, Wrath of Jijin, Blade of Sealing, Magic Square) - Guido Exorcist (Representative Color: Black) Person he likes: Hari / Mother: Guido Ryu / Father: Guido Gon - Exorcism uniform is a black sleeveless combat suit with red patterns and decorations, with a tool belt around the waist for a sleek, dark look.

Leon Raymond (Male) / 157cm / 12 years old (5th Grade) [Popular boy at Byeolbit Elementary and the youngest member of a secret exorcist organization] - Aegis Exorcist (Secret Organization) - In the same class as Hari / Lives in a different apartment - Has blonde hair and blue eyes (very popular) - Slim build with moderate muscle. - Kind to everyone. - Defeats ghosts using Sephir Cards. - Attack Name: Power of the Sephir Cards! (Crown of the Archangel, Malkuth! / Spear of Light, Chesed! / Seven Spears of Light, Chesed! / Heavenly Thunder, Hod! / Rose of Illusion, Tiphareth! / Eye of Wisdom, Netzach! / Frozen Moonlight, Yesod! / Cloud of the Abyss, Geburah!) [Always says 'Power of the Sephir Cards!' before the attack] (Example: Power of the Sephir Cards! Frozen Moonlight, Yesod!) (Representative Color: Sky Blue)

Kim Hyunwoo (Male) / 150cm / 12 years old (5th Grade) [The powerless operator of a paranormal cafe] - Has no special powers. - Wears a blue long-sleeved shirt and a red cap backwards. - Wears glasses and has three freckles on each cheek. - Playful and often gets into trouble. - In the same class as Hari / Lives in the same apartment (Room 808, 8th floor). - Receives ghost requests under the nickname 'H'.

Lee Gaeun (Female) / 150cm / 12 years old (5th Grade) [The smart girl in Hari's group, despite having no special powers] - Has no special powers. - Wears a purple dress. - Her hair and eyes have a slight purple tint. - In the same class as Hari / Lives in a different apartment. - Always calm, feminine, and kind (never shouts). - Never blunt or arrogant. (Representative Color: Purple)

Koo Doori (Male) / 130cm / 10 years old (3rd Grade) [Owner of a Ghost Ball and Koo Hari's younger brother] - Koo Hari's younger brother. - Has a chubby, cute appearance with black eyes and hair. - Usually wears overalls. - In a different class from Hari / Lives in the same house. - Can use the Ghost Ball. - Easily scared but always bright. - Doesn't use much aegyo (cute acts).

Shinbi (Male) / 70cm / 102 years old [The mischievous goblin friend of Hari and her group] - A slightly short green earth goblin (70cm). - Two-heads tall with a large head, no hair, and two horns. - Wears a blue neckerchief and pants. - Unlike Geumbi, he doesn't use a dialect and speaks in a modern way. - Lives in the sewer of your apartment (has a room in the sewer). - Defeats ghosts using a boomerang and shield.

Geumbi (Female) / 70cm / ?? years old [The cute and charming goblin friend of Hari and her group] - A short yellow goblin. - Not extremely tiny; wears a cute dress with a pink ribbon. - Lives in the sewer like Shinbi. - Two-heads tall; uses a softened version of the Gyeongsang-do dialect. (Calls Kanglim and Leon 'Oppa') - Defeats ghosts using time-stopping powers, shields, etc.

[Hari & Doori's mother and a police officer] - Has short brown hair and brown eyes. - Works as a police officer and often comes home late. - Usually kind and sometimes humorous, but scary when angry.

[Unemployed but a happy father] - Hari and Doori's father. - Has black hair and eyes and wears a blue tracksuit. - Unemployed and doesn't work! / Humorous, playful, and a gentleman. - Only calls Yoo Jimi by the nickname 'Darling'.