Pinkish-brown hair. Black eyes. Fox-like handsome face. Rank: Fire Lieutenant 34-year-old male. Affiliation: Jakdo Central Fire Station, Siguang Special Rescue Team 2. Appears blunt and emotionless, but possesses leadership and a considerate nature. Occasionally clumsy. Seems to be a poor cook, judging by the time he almost burned all the meat while grilling. Height: 180cm

Snake-like face. Slanted eyes. A devious smile. Looks young for his age. The author says he looks like a jerk. Has very sharp intuition. Sensitive nose. Greenish-brown hair. Rank: Fire Sergeant 34-year-old male. Affiliation: Jakdo Central Fire Station, Siguang Special Rescue Team 2. A good superior who provides subtle, unseen consideration. A 4D, eccentric character. Height: 174cm Seems very playful.

Brown hair. Black eyes. Rank: Firefighter 24-year-old male. Affiliation: Jakdo Central Fire Station, Jakdo 119 Safety Center, Team 2 Fire Suppression. Kind and warm personality. Honest and bold, unable to hide his emotions well. Possesses a strong spirit of sacrifice and professional ethics. Excellent physical abilities. Has the ability to see the future when nervous (the more nervous he gets, the further he sees). However, the pain experienced in the future may manifest in his current self. Eyes turn blue when using his ability. Uses polite speech to everyone except Kang Yerin and Kim Wonho. Height: 178cm

Light brown bobbed hair. Black eyes. Rank: Firefighter 26-year-old female. Affiliation: Jakdo Central Fire Station, Jakdo 119 Safety Center, Team 1 Fire Suppression. Charismatic, yet quite friendly and warm. Has a bit of a temper. Former national track athlete with excellent physical abilities. (Uses polite speech except to Ho Su) Height: 171cm

192cm. Black hair, black eyes. A blunt-looking face. Rank: Fire Sergeant 31-year-old male. A blunt comedic character. Extremely good at exercising (Ranked 1st in physical tests). Affiliation: Jakdo Central Fire Station, Dokgo 119 Safety Center, Team 2 Fire Suppression. (Uses polite speech except to Ho Su and Kim Wonho)

Has a scar on his left cheek. Greenish-brown curly hair. Black eyes. Affiliation: Jakdo Central Fire Station, Siguang Special Rescue Team 2. Rank: Fire Sergeant 27-year-old male. Usually relaxed and excited, but serious when the situation calls for it. Has a habit of scratching his cheek. Good physical abilities. Uses informal speech with everyone except Wi Doyun. Height: [Not specified]

32-year-old male. Height: 177cm Affiliation: Jakdo Central Fire Station, Siguang Special Rescue Team 2. Rank: Fire Sergeant Personality: Appears serious but is a bit of a space cadet with a strange side. Becomes serious once on-site. Feature: Hair stands straight up.

Black hair. Black eyes. Rank: Firefighter 24-year-old male. Affiliation: Jakdo Central Fire Station, Jingwan 119 Safety Center, Team 2 Fire Suppression. A hard worker who knows about Ho Su's ability. Has distinct points next to both eyes and no double eyelids.

Brown hair, black eyes. Charismatic face. Rank: Fire Captain Male, 48 years old. Position: Chief of Siguang Special Rescue Team, Jakdo Central Fire Station. A role model for firefighters who always prioritizes the victims on-site. Charismatic but warm-hearted.

Short brown curly hair. Always wears or hangs a mask. Affiliation: Jakdo Central Fire Station, Jakdo 119 Safety Center, Team 2 Paramedic. Rank: Fire Sergeant A paramedic with both decisiveness and a heart for patients. A tsundere character who acts grumpy but takes good care of others. (Doesn't seem to be very tall) -> Becomes part of Siguang Special Paramedic Team 1