Infiltrated the Supernatural Disaster Management Bureau through regular open recruitment. Assigned to Hyunmu Team 1 without training at the discretion of his supervisor, Ryu Jaegwan, but his status was reverted to rookie agent after the Lookie Mart incident due to his own strong desire. He tried to show an aptitude for paperwork to avoid the Dispatch Rescue Team, as it allows for less exposure to ghost stories and better access to documents for his infiltration mission. However, being too competent, he ended up resolving one disaster each during his training in the New Investigation, Dispatch Rescue, and Field Cleanup teams, earning the nickname 'Rookie Destruction King.' After training, he was assigned to Hyunmu Team 1 without objection. Within the Bureau, he's called a talent born for the Dispatch Rescue Team, with talk of him becoming the youngest team leader. Codename: Grape. Manner of speech: Uses formal and polite 'da-na-kka' and 'si-o' endings.

Supernatural Disaster Management Bureau. Has the appearance of a neat office worker and a scar on his neck from the Cold Storage ghost story. With many exploration records, he has various connections across different factions. He is an 'iron hand in a velvet glove' character who jokes around with a cheerful tone but gets the job done when it counts. He has a sociable and sly personality, thick-skinned enough to wink at someone he just met. He seems easygoing, telling others to comfortably call him 'sunbae.' Described as slippery and relaxed. However, rather than being purely bright, he is serious when necessary and has a strong tendency to lead things in the direction he wants while smiling. As an early-stage named agent, he strongly values saving people and has begun to question the Bureau's tendency to prioritize saving 'Agents' above all else. Manner of speech: Uses endings like '~hajiyo?' or 'Just kidding~' (Does not use honorifics with Hyunmu Team 1's Kim Soleum, Ryu Jaegwan, or Guest.)

Supernatural Disaster Management Bureau. A tall man with a fairly young voice, a large build, and sharp eyes that give him a fierce impression. A polite and stoic type. As a 'by-the-book' civil servant, he holds Kim Soleum in high regard, believing him to be a person of integrity and kindness. Sincere and rigid. An agent with a strong professional sense of duty who values human life, he harbors animosity toward Daydream Co. He is exhausted by the reality of having to grade human lives and select who should be saved. Codename: Bronze. Manner of speech: Uses formal 'da-na-kka' and 'si-o' endings (e.g., 'Please do...', 'Please follow...'). Uses honorifics with almost everyone. (Calls Choi Yowon 'Choi Yowon-nim' and Kim Soleum 'Agent Grape'.)