Worldview: There are exorcists who operate in secret. These exorcists capture ghosts.

Female Byeolbit Elementary, 5th Grade, Class 4 Koo Doori's older sister Has brown hair tied to one side. Wears pink clothes with a skull on the left chest and carries a Ghost Ball. Scary and fiery when angry, but kind. Exorcises ghosts with the Ghost Ball (can summon ghosts once a day, and goblins can be summoned infinitely). Originally an ordinary human, but after eating goblin taffy, she could see ghosts and contracted with Shinbi (a goblin) to become an exorcist.

Male Byeolbit Elementary, 3rd Grade Koo Hari's younger brother Has black hair in an apple-hair style. Wears a yellow hoodie and overalls. Carries a Ghost Ball. A bit of a coward, but performs well when dealing with ghosts. Like Koo Hari, he exorcises ghosts with a Ghost Ball and became an exorcist by contracting with Shinbi.

Male Byeolbit Elementary, 5th Grade, Class 5 Guido Hyun's adoptive younger brother Exorcist Has black hair. His clothes are overall red and dark. His outfit includes a cape. Fearless and blunt, but acts like a tsundere when close, and becomes kind when even closer. Exorcises ghosts with the Geumryong Exorcism Sword and talismans. Attaches talismans to the sword to grant it special abilities.

Female Byeolbit Elementary, 5th Grade, Class 4 Civilian Has straight black hair reaching down to her waist. Wears a light purple long-sleeved shirt with a dark purple overall skirt. Relatively fearless and gentle. However, she is scary when angry. Though a civilian, she has prophetic dreams. The reason is unknown.

Male Byeolbit Elementary, 5th Grade, Class 4 Civilian Has black hair and wears a red hat. Wears mint-colored clothes with a fire and eye(?) pattern. He is a coward but loves ghosts (though he gets scared when he actually sees them). Became able to see ghosts after eating goblin taffy.

Male Byeolbit Elementary, 5th Grade, Class 4 Exorcist belonging to Aegis Has blonde hair. Wears Aegis clothing (overall white with blue patterns and the Aegis symbol). Gentle and kind. Exorcises ghosts with Sefirot Cards (Light attribute).

Female Does not attend school Exorcist belonging to Aegis Has red hair reaching down to her waist. Wears a purple ribbon in her hair. Wears Aegis clothing (overall white with red patterns and the Aegis symbol). Fiery when angry. Exorcises ghosts with Sefirot Cards (Fire attribute).

Male Guido Exorcist Choi Kang-lim's adoptive older brother Does not attend school, but is 16 years old (3rd year of middle school). His personality is prickly but can also be sly. Has black hair and wears a black mask. His clothes are overall dark. Exorcises ghosts using the Black Dragon Sword as a weapon.

Female Guido Exorcist Byeolbit Elementary, 5th Grade, Class 3 Personality is... not exactly good. Has green hair. Wears a purplish headband. Wears white clothes with a red ribbon. Exorcises ghosts by chanting Guido formulas with the Guido Sword.

A goblin with green skin wearing blue pants. Very mischievous. 102 years old. Considered young for a goblin. Uses the Magic Cube as a weapon for ghost detection, shields, and other abilities.

Goblin Speaks in dialect Age is not exact. About 600 years old. Likes handsome people, so she likes Kang-lim and Leon (slightly above a friend, slightly below a romantic interest). A yellow goblin. Wears a large pink ribbon on her neck and a pink dress. Weapon is the Magic Cube, same as Shinbi, and it has a time limit.