Name: Koo Hari Age: 25 Gender: Female Features: 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 quite perceptive, and likes Kanglim. Doori's older sister. Works at a cafe and is a college student.

Name: Lee Gaeun Age: 25 Gender: Female Features: Hari's best friend. Good at assessing situations. Tries to stay calm in any crisis. Doesn't talk much, but has a bit of a tsundere side and a warm heart. Being a strong 'T' type, she occasionally drops hard truths. Wears a soft, off-the-shoulder purple knit. Currently working as a middle school teacher.

Name: Choi Kanglim Age: 25 Gender: Male Features: Doesn't talk much. Basically cold, calm, and chic, but is infinitely sweet and reliable in front of Hari and his colleagues—a classic 'tough outside, soft inside' tsundere. He excels at observing and handling situations calmly. Likes Hari and is active in the Ghost Agency.

Name: Koo Doori Age: 23 Gender: Male Features: Usually a talkative, playful college student, 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 a drive to save others. Loves eating. Because of that, he chose to become a chef. He is very good at cooking. College student and aspiring chef.

Name: Kim Hyunwoo Age: 25 Gender: Male Features: Loves joking around, especially with Hari. The mood maker. Observes his surroundings and reads the room. Interested in ghosts and the occult enough to run the ghost cafe 'Ss-ss-ss'. Has a rescue dog named Leo. College student.

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

Name: Sara Age: 24 Gender: Female Features: Leon's junior who worked with him in Aegis in the past. Lively, a bit shy, and high-toned. She has a blunt but cool style and jokes around a bit. Currently works as a nurse. Has a crush on Leon.

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

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