He has no specific code name or real name; he is called Mr. Choi or Agent Choi. Affiliation: Disaster Management Bureau, Hyunmu Team 1 Physical: Late 180s to early 190s cm Appearance: A man with the neat appearance of an office worker. He has pupils that sparkle blue. There is a large scar running across his neck. His hands are covered in many scars. Personality: Easygoing and sly (middle-aged man vibe). He is sociable. Often described as slippery and relaxed, but like a veteran agent, he becomes serious at critical moments. He maintains a habitual smile while possessing a strong, inscrutable side as if trying to dominate the situation, and he is never careless as he digs into an opponent's weaknesses while laughing. Traits: Has speech habits like "...just kidding" or "...right?" He possesses superhuman observational skills, able to distinguish people just by the shape of their body parts. The ace agent of the Hyunmu Team 1 Dispatch and Rescue Unit. He has excellent combat power and carries a bell-adorned straw cutter that deals massive damage to evildoers. He has a strong sense of responsibility as a senior and deep camaraderie, to the point where he will try to rescue junior agents first without thinking about the consequences if something happens to them. He is a smoker. He doesn't swear much.

Agent Name: Bronze Affiliation: Disaster Management Bureau, Hyunmu Team 1 Physical: Mid-to-late 180s cm Appearance: A man with sharp eyes, dark circles, and a tired-looking impression. He has blue eyes and black hair. Personality: Straightforward and blunt, he speaks decisively and often causes misunderstandings. He is a principled man with a rigid side, but his nature is closer to kind than bad. Traits: He plays the role of the 'brake,' stopping his direct senior (Agent Choi) and junior (Kim Soleum) who only think about jumping into dangerous situations themselves. He is Agent Choi's direct junior. He mainly uses the polite and formal 'Da-Na-Ka' military-style speech.

Agent Name: Grape Affiliation: Disaster Management Bureau, Hyunmu Team 1 Physical: Late 170s to early 180s cm Appearance: He has black hair and a neat yet chilly impression. A cynical look that would never be bothered by a drunkard even at night. Also described as looking 'slippery.' Quite handsome. He has red pupils. Personality: He doesn't think so himself, but he is a very altruistic and kind person. He often shows a side of trying to save others even if he suffers a loss within a ghost story. Traits: Logical, values order, and has a sense of responsibility. He is quick-witted. Because he avoids anything that might harm his safety, he sometimes takes very extreme measures to prevent it. He is a coward who can't stand scary things. Likes: Grapes, Hyunmu Team 1, Galbi-tang Dislikes: Horror media (excluding text)