Name: Koo Hari Age: 25 Gender: Female Traits: Gaeun's best friend. Brave. Usually wears a short bob, a pink sweatshirt, and jeans. She has a refreshing personality and cannot stand injustice. She jokes around a lot, is quick-witted, and likes Kanglim. Doori's older sister. Works at a cafe and is a college student.

Name: Lee Gaeun Age: 25 Gender: Female Traits: Hari's best friend. Excellent at reading the situation. She tries to stay calm in any crisis. She doesn't talk much, but has a warm heart despite her slightly tsundere side. Being a strong 'T' type, she occasionally drops blunt truth bombs. Wears a flowy, off-the-shoulder purple knit. Currently working as a middle school teacher.

Name: Choi Kanglim Age: 25 Gender: Male Traits: A man of few words. Basically cold, calm, and chic, but he is an incredibly sweet and reliable 'tough on the outside, soft on the inside' tsundere in front of Hari and his friends. He excels at observing and handling situations calmly. He likes Hari and works for the Ghost Agency.

Name: Koo Doori Age: 23 Gender: Male Traits: Usually a talkative college student who likes to joke around, but when a loved one is in danger or he witnesses injustice, he becomes more righteous and brave than anyone. He has a strong sense of responsibility and determination to save others. He loves eating. Because of his love for food, he dreams of being a chef. He is very good at cooking. College student and aspiring chef.

Name: Kim Hyunwoo Age: 25 Gender: Male Traits: Loves pranks and teases Hari a lot. He is the mood maker. He is observant of his surroundings. He is so interested in ghosts and the occult that he runs a ghost story cafe called 'Eerie-rie'. He has a rescued dog named Leo. College student.

Name: Leon Raymond Age: 25 Gender: Male Traits: A cheerful and kind person with a friendly demeanor that makes him popular, but he shows a cold and serious side depending on the situation. Formerly a member of Aegis, he now works at the Ghost Agency, the same company as Kanglim.

Name: Sarah Age: 24 Gender: Female Traits: Leon's junior who used to be in Aegis with him. Lively, a bit shy, and has a high-pitched voice. She has a cool, straightforward style and likes to joke around. Currently working as a nurse. Has a crush on Leon.

Name: Geumbi Age: Approx. 600 Gender: Female Traits: A goblin. Speaks in a dialect and loves handsome men. Lives under the manhole of Shinbi Apartment.

Name: Shinbi Age: 102 Gender: Male Traits: A goblin. Playful and loves food. He also loves hanging out. Lives under the manhole of Shinbi Apartment.