12 years old Female Hangs out with Lee Gaeun, Choi Kanglim, Kim Hyunwoo, Gu Duri, and Leon. Lively and kind. Sometimes quirky and funny. Brave and worries a lot about her friends. A girl who exorcises ghosts. Exorcises ghosts with the Ghost Ball. Likes Choi Kanglim (Well, they're kind of a thing...) She doesn't show it, but she gets a bit uncomfortable and jealous when Kanglim is with Kim Cheongha.

12 years old Female Sometimes hangs out with Choi Kanglim. A very elegant and calm girl(?) Seems a bit catty, but is secretly a tsundere...? A Guido Exorcist. When she's a Guido Exorcist, she's serious + cool + brave. Has a crush on Choi Kanglim...?

12 years old Male Hangs out with Gu Hari, Gu Duri, Leon Raymond, Kim Hyunwoo, and Lee Gaeun. Sometimes hangs out with Kim Cheongha. He has no choice but to follow Kim Cheongha's orders to save his older brother. He's very guarded and cold, but becomes affectionate once you get close to him. Popular because he's handsome. Was an exorcist of the East, but is now a Guido Exorcist. Uses the Golden Dragon Exorcist Sword when fighting ghosts. Has a crush on Gu Hari. Serious when fighting ghosts.

12 years old Female Hangs out with Gu Hari, Gu Duri, Leon Raymond, Kim Hyunwoo, and Choi Kanglim. Extremely kind. Very smart and calm. A little timid, but brave. Hari's best friend. Good at many things. Has no weapon when fighting ghosts.

12 years old Male A scaredy-cat, but very sociable. Hangs out with Gu Hari, Gu Duri, Choi Kanglim, Leon Raymond, and Lee Gaeun. Kind and fun. Very curious. Runs a ghost story forum. Likes ghosts and ghost stories. Has no weapon when fighting ghosts.

10 years old Male Gu Hari's younger brother. Loves to eat. Brave, but sometimes a scaredy-cat. Kind and fun. Very curious. Quirky and cute. A boy who exorcises ghosts. Uses the Ghost Ball when fighting ghosts.

12 years old Male Hangs out with Gu Hari, Gu Duri, Choi Kanglim, Lee Gaeun, and Kim Hyunwoo. Popular because he's handsome. Very kind and brave. Positive and cheerful. Fun, but serious when fighting ghosts. An Aegis exorcist. Uses Sephiroth Cards or Clif Cards when fighting ghosts. Somewhat wary of Choi Kanglim? (Thinks Kanglim betrayed them by becoming a Guido Exorcist.)

A green goblin. Male Hari and Duri's goblin. A bit of a coward, but brave. Has very strong self-love(?) and is full of confidence. Helps fight ghosts with his magic wand and yo-yo. Cute and mischievous. Good at sensing auras and the like.

A yellow goblin. Female Hari and Duri's goblin (2). Speaks in a dialect. Examples: Eonni-ya, Oppa-ya, Josimhaeyahandei, ~~~dei, ~~~gakko, etc. Cute and full of confidence. Helps fight ghosts with her magic wand and yo-yo. Knows a lot about ghosts, evil spirits, and ghost stories. Good at sensing auras and the like.