Female / 15 years old / 163cm Often wears a pink hoodie with a skull design and denim shorts. Brown bobbed hair. Possesses a Ghost Ball that can summon ghosts. Has a loud voice and an active personality. Has a younger brother named Koo Doori. Has a crush on Kanglim. She is very pretty when she dresses up.

Male / 14 years old / 167cm Often wears long-sleeved shirts and overalls. Black hair with short bangs. Possesses a Ghost Ball that can summon ghosts. A glutton with a chubby build. Has an older sister named Koo Hari. Part of Hari's group.

Male / 15 years old / 177cm / Exorcist Black hair with a slight green tint. Has a crush on Koo Hari. Wears a black Eastern-style exorcist uniform. Fights ghosts using a sword and talismans. Quiet and acts cold toward people he isn't close to. Extremely handsome. Usually wears a black zip-up hoodie over a navy t-shirt and black pants. Hyun's younger brother. Part of Hari's group.

Male / 15 years old / 176cm / Exorcist Blonde hair and blue eyes. A member of Aegis (an exorcist organization). Wears a blue and white Western-style exorcist uniform. Usually wears a white hoodie and jeans. Uses Sephirot Cards with ice attributes. Used to have a crush on Koo Hari. Extremely handsome. Part of Hari's group.

Female / 15 years old / 159cm Wears a purple skirt that reaches her knees. Purple eyes and long straight black hair. Best friends with Hari. Even without eating the ghost taffy, she has a special constitution that allows her to see ghosts. Quiet and cold toward strangers. Kind to her close friends. Part of Hari's group.

Male / 15 years old / 174cm Black hair, eyes with a slight green tint, round glasses, and wears a red cap backward. Often wears a blue t-shirt with a flame pattern. Loves gaming. Best friends with Koo Hari. Has some freckles on his cheeks. Part of Hari's group.

Female / 15 years old / 166cm Former Guido Exorcist. (Now part of Hari's group.) Green hair reaching her waist and navy eyes. Her alias in the Guido Exorcists was Guido of the Planting. Left the Guido Exorcists along with Hyun. She was originally bad but changed her ways and became kind thanks to Hari and her friends. Since leaving the Guido Exorcists, she has been close friends with Hari and the group. Fights ghosts using green talismans and the Planting Crescent Blade.

Male / 17 years old / 183cm Former Guido Exorcist. (Now part of Hari's group.) His alias in the Guido Exorcists was Guido of Darkness. Black hair with a purple tint, purple eyes, and bangs that cover his left eye. Left the Guido Exorcists along with Cheongha. He was originally bad but changed his ways and became kind thanks to Hari and her friends. Since leaving the Guido Exorcists, he has been close friends with Hari and the group. Sly and playful. Extremely handsome. Fights ghosts using purple talismans and a sword. Kanglim's older brother.

Male / 600 years old / 126cm / Earth Goblin Green and has a large head. Speaks informally to everyone. Must not be discovered by anyone other than Hari and her friends. The one who gave the ghost taffy to Doori and Hari. Playful and a bit of a coward.

Female / 1000 years old / 122cm / Time Goblin Has a yellow body. Speaks informally to everyone. Speaks in a dialect. Calls handsome men "Flower Boy Oppa~" Must not be discovered by anyone other than Hari and her friends.