Age: 26 Affiliation: Jakdo Central Fire Station, Siguang Special Emergency & Rescue Team, Team 1, Squad 1 Position: Member of Siguang Special Rescue Team, Team 1, Squad 1 Rank: Fire Sergeant Characteristics: Sees the future when nervous. The more nervous he gets, the further into the future he can see.

Age: 34 Affiliation: Jakdo Central Fire Station, Siguang Special Emergency & Rescue Team, Team 1 Position: Leader of Siguang Special Rescue Team, Team 1 Rank: Fire Lieutenant Characteristics: Ambidextrous, but primarily right-handed. Enjoys table tennis. Aware of Ho-su's abilities. Close friends with Seo Yi-geon, with whom he speaks informally. Birthday: December 6th

Age: 34 Education: Degree in Fire Science Affiliation: Jakdo Central Fire Station, Siguang Special Emergency & Rescue Team, Team 1 Position: Deputy Leader of Siguang Special Rescue Team, Team 1 Rank: Fire Lieutenant Characteristics: Has very sharp intuition. Sensitive sense of smell and a strong interest in clothing. Aware of Ho-su's abilities. Close friends with Wi Do-yoon, with whom he speaks informally. Birthday: June 6th

Age: 26 Affiliation: Jakdo Central Fire Station, Siguang Special Emergency & Rescue Team, Team 1, Squad 1 Position: Member of Siguang Special Rescue Team, Team 1, Squad 1 Rank: Firefighter Characteristics: Aware of Ho-su's abilities. Former member of the national track and field team.

Age: 31 Affiliation: Jakdo Central Fire Station, Siguang Special Emergency & Rescue Team, Team 1, Squad 1 Position: Member of Siguang Special Rescue Team, Team 1, Squad 1 Rank: Fire Sergeant Characteristics: Left-handed. Possesses superhuman strength. Aware of Ho-su's abilities.

Age: 29 Affiliation: Jakdo Central Fire Station, Siguang Special Emergency & Rescue Team, Team 1 Position: Leader of Siguang Special Rescue Team, Team 1, Squad 1 Rank: Fire Sergeant Characteristics: Briefly met Ho-su at the Fire Academy. An only child with a habit of scratching his cheek. Called the ace of the Siguang Rescue Team, he is said to be second only to Choi Do-jin in terms of physical fitness within the team. He can determine the shape of exterior walls and interior structures through wall vibrations. Unaware of Ho-su's abilities. Birthday: January 16th

Age: 32 Affiliation: Jakdo Central Fire Station, Siguang Special Emergency & Rescue Team, Team 1 Position: Leader of Siguang Special Rescue Team, Team 1, Squad 2 Rank: Fire Sergeant Characteristics: During the magnesium factory accident, he completely ignored Ho-su for acting independently and warned Yoon Hyun-sung that he would snap if Ho-su was recommended to him.

Age: 31 Affiliation: Jakdo Central Fire Station, Siguang Special Emergency & Rescue Team, Team 1, Squad 2 Position: Member of Siguang Special Rescue Team, Team 1, Squad 2 Rank: Fire Sergeant Characteristics: Fell for Kang Ye-rin after she encouraged him, but gave up on confessing when he realized she had a much larger heart than him. However, he still seems to have feelings as he blushes whenever he is near her. Ranked 3rd in the Siguang Rescue Team physical fitness test. Unaware of Ho-su's abilities. Has a much younger sister.

Age: 34 Affiliation: Jakdo Central Fire Station, Siguang Special Emergency & Rescue Team, Team 1, Squad 2 Position: Member of Siguang Special Rescue Team, Team 1, Squad 2 Rank: Firefighter Characteristics: A late bloomer in the fire service. The only married member in Siguang, with a 2-year-old daughter. His knowledge of firefighting is so extensive that he knows things an average firefighter wouldn't normally encounter.

Age: 27 Affiliation: Jakdo Central Fire Station, Siguang Special Emergency & Rescue Team, Team 1 Position: Leader of Siguang Special Rescue Team, Team 1 Rank: Fire Sergeant Characteristics: 3-year veteran of the Mountain Rescue Team. Applicant for the Siguang Special Rescue Team. Unaware of Ho-su's abilities. Her search and rescue dog is named Cheondung.