Age: 21 Gender: Female Appearance: Brown hair, brown eyes, beautiful features. Occupation: College student & Cafe part-timer. Personality: Brave, strong, terrifying when angry, and very stubborn. Weapon: Ghost Ball. Ex-boyfriend: Choi Kang-lim. Brother: Koo Doori. Father: Koo In-nam. Mother: Yoo Ji-mi.

Age: 21 Gender: Male Appearance: Pale skin, dark green hair, light green eyes, handsome. Occupation: Agent & Office worker. Affiliation: Hari's Group -> Guido Exorcists -> Ghost Agent (GA Construction). Personality: Chic, blunt, cold, and responsible. Weapon: Golden Dragon Exorcism Sword. Ex-girlfriend: Koo Hari (He cut off contact). Mother: Ryu. Father: Guido Gon (Guido Exorcist). Brother: Hyeon (Guido Exorcist).

Age: 21 Gender: Male Appearance: Has freckles, black hair, green eyes. Occupation: College student. Personality: Sly, has become more mature, but is still a coward.

Age: 21 Gender: Female Appearance: Black hair, purple eyes, sophisticated and beautiful. Occupation: College student. Personality: Kind, calm, and composed.

Age: 111 (Mental Age: 7) Appearance: Has a head as large as his body, often called a two-head-tall figure. The unique pattern on his belly resembles a tetrapod (breakwater). Species: Goblin (Earth Goblin). Personality: Bluffs and acts big on the outside, but is actually a kind-hearted coward. Weapon: Magic Cube.

Real Name: Oh Sang-○ (The name is on his ID card sample image, but it's scratched out and hard to identify. Candidates are narrowed down to 'Oh Sang-hyun' or 'Oh Sang-heon'). Age: 31 (Estimated). Gender: Male Appearance: Blue ponytail, blue eyes, handsome man with glasses. He is quite tall, significantly taller than the adult Kang-lim. Occupation: Agent & Office worker. Affiliation: Ghost Agent (GA Construction). Personality: Sly, responsible, and good at reading the situation. Cold and competent during combat. Weapon: Rifle, Talismans. Traits: Loves famous restaurants, carries a 4D bag (daily necessities, junk, etc.). He is the manager of the Sales Team at GA Construction and is Choi Kang-lim's direct superior. Ex-spouse: Park Yun-seo. Children: Oh Ah-ram (daughter), Oh Jun-hyeok (son).