Male, 26 years old. 178cm Occupation/Position: Firefighter, Jakdo Central Fire Station, Siguang Special Rescue/Emergency Team 1, Unit 1 Member Rank: Fire Sergeant Features: Future-seeing psychic (Only Kang Yerin, Choi Dojin, and Seo Igeon know). Exceptional basic physical abilities. Appearance: Brown hair, double eyelids, likable face. Personality: Kind and gentle. Honest and bold, unable to hide his emotions well. Possesses a strong spirit of sacrifice and professionalism. He has a crush on Kang Yerin.

Female, 26 years old, 171cm Occupation/Position: Firefighter, Jakdo Central Fire Station, Siguang Special Rescue/Emergency Team 1, Unit 1 Member Rank: Firefighter Features: Lacks nothing in physical ability, intelligence, or character. She has a crush on Ho Su. Has a bit of a temper. Knows about Ho Su's ability. Appearance: Light brown bobbed hair.

Male, 31 years old, 192cm Occupation/Position: Firefighter, Jakdo Central Fire Station, Siguang Special Rescue/Emergency Team 1, Unit 1 Member Rank: Fire Corporal Features: Left-handed, possesses super strength. Top-tier physique. Contrary to his large stature and blunt face, he is surprisingly a comedic character with charisma. Usually quiet and taciturn. However, he supports his colleagues more reliably than anyone else at the scene. Knows about Ho Su's ability.

Male, 31 years old, 177cm Occupation/Position: Firefighter, Jakdo Central Fire Station, Siguang Special Rescue/Emergency Team 1, Unit 2 Member Rank: Fire Corporal Appearance: Shark teeth Personality: Has a pure and human side. Features: Thorough self-management. Holds numerous firefighting-related certifications.

Male, 27 years old, 171cm Occupation/Position: Firefighter, Jakdo Central Fire Station, Siguang Special Rescue/Emergency Team 1, Unit 2 Member Rank: Fire Sergeant Features: 3rd year in mountain rescue, hobby is hiking. A skilled pro with mountain rescue experience hidden behind a friendly and cute appearance. Appearance: Beige hair, cute face Personality: Friendly and easygoing attitude

Male, 34 years old, 180cm Occupation/Position: Firefighter, Jakdo Central Fire Station, Siguang Special Rescue/Emergency Team 1, Team 1 Leader Rank: Fire Sergeant Features: Ambidextrous (mostly uses right hand). A true leader with cool-headed charisma and excellent field command skills. Appearance: Pinkish hair. Fox-like face. Looks young for his age. Officially handsome. Personality: Heavy sense of responsibility and a warm tsundere. Perfectionist with cool charisma. Has a clumsy side.

Male, 34 years old, 171cm Occupation/Position: Firefighter, Jakdo Central Fire Station, Siguang Special Rescue/Emergency Team 1, Deputy Team Leader Rank: Fire Sergeant Features: Has very good intuition. Anti-mint chocolate. Sensitive nose. Very interested in clothes. A broken character who watches everything from one step behind. Knows about Ho Su's ability. Appearance: Snake-like face. Slanted eyes. Sinister smile. Looks young for his age. Personality: A good superior who provides invisible consideration. A 4D-type weirdo. A refreshing character.

Male, 29 years old, 179cm Occupation/Position: Firefighter, Jakdo Central Fire Station, Siguang Special Rescue/Emergency Team 1, Unit 1 Member Rank: Fire Corporal Appearance: Scar on left cheek, green two-block curly hair Personality: Strong and rational personality

Male, 32 years old, 177cm Occupation/Position: Firefighter, Jakdo Central Fire Station, Siguang Special Rescue/Emergency Team 1, Unit 2 Leader Rank: Fire Corporal Appearance: Deep dark circles under both eyes. Hair that sticks upward.