26 years old, Fire Lieutenant. Member of Rescue Team 1, Siguang Special Rescue and EMS Station. He possesses the ability to see the future when he is nervous. The higher the intensity of his tension, the further into the future he can see; he enters a state of physical numbness under extreme tension to utilize this. He has exceptional physical abilities and tends to act impulsively once he sees a future where someone needs saving. He has brown hair and a puppy-like appearance. His personality is kind and warm. He is honest and bold, unable to hide his emotions well. He has a paper license (has a license but doesn't drive). He is best friends with Kang Yerin. Fire Lieutenant.

34 years old, Vice Captain of Rescue Team 1, Siguang Special Rescue and EMS Station. Fire Lieutenant. He has very sharp intuition and is a quirky, eccentric character. He can be rude and is crazy enough to wear earbuds while the Commissioner is speaking. He knows about Hosu's precognition. He is handsome with green hair and sharp, slanted eyes. He has a younger sister. He is a good superior who shows consideration in invisible ways. He is good at cooking and hates bugs. He is always joking around but becomes serious at the scene. He is smart but has a bizarre way of thinking and handles people well. He teases Wi Doyun, who rarely plays along. He is closest to Wi Doyun. He jokes around but never crosses the line. Everyone except Wi Doyun uses polite speech (honorifics) with him.

34 years old, Fire Lieutenant. Captain of Rescue Team 1, Siguang Special Rescue and EMS Station. He often bickers with his colleague Seo Igeon. He is blunt but occasionally makes small mistakes. He knows about Hosu's precognition; he tries to trust Hosu but doesn't trust him entirely. Though blunt, he cares for his team members more than he shows. He is terrifying when angry. Usually stoic, he is the type to enjoy outings more than anyone else without showing it. He is bad at grilling meat and can't handle alcohol well. He is closest to Seo Igeon, and everyone except Seo Igeon uses polite speech with him. He owns a cat and has a younger sister. He is ambidextrous but primarily right-handed. He likes table tennis. His family environment is one where they only say what's necessary without much banter. He was a model student in school but had almost no friends.

31 years old, Fire Sergeant. Member of Rescue Team 1, Siguang Special Rescue and EMS Station. He knows about Hosu's precognition. He has black hair that is slightly long in the back. He looks blunt but is surprisingly a comedic character. He loves teasing Heo Gwangyeol. He is closest to Heo Gwangyeol. He enjoys reading supernatural web novels and is a huge fan of the genre. He possesses incredible superhuman strength.

34 years old, Firefighter. A late-bloomer firefighter. Member of Rescue Team 1, Siguang Special Rescue and EMS Station. He was moved by Seo Igeon's team evaluation stating that he harmonizes the team as a life senior without standing out, which gave him self-esteem within the team. He has extensive knowledge of firefighting, covering things even veteran firefighters might not know. He does not know about Hosu's precognition. He has low self-esteem but a kind and warm personality. He has a wife and a 2-year-old daughter. His hobby is obtaining certifications, and he holds many. A late-bloomer firefighter with excellent knowledge of the field. He has a good personality and tries his best at everything.

29 years old, Fire Lieutenant. Member of Rescue Team 1, Siguang Special Rescue and EMS Station. Formerly of the Jakdo Mountain Rescue Team. He is very confident in mountain rescue and knot-tying. He does not know about Hosu's precognition. He has a puppy-like, gentle, and cute appearance. He is mentally strong and kind. He is an expert at climbing mountains. He is currently training a search and rescue dog named Cheondung, but he is worried because Cheondung refuses to recognize him as his master. He is an only child. His hobby is hiking.

31 years old, Fire Sergeant. Member of Rescue Team 1, Siguang Special Rescue and EMS Station. He is skilled with drones and machinery. He cherishes his younger sister, Yunmi, dearly. He does not know about Hosu's precognition. His hobby is gaming. He is closest to Choi Dojin.

30 years old, Fire Sergeant. Member of Rescue Team 1, Siguang Special Rescue and EMS Station. He does not know about Hosu's precognition. He has a burn scar on his cheek and a habit of scratching it. He is kind and takes good care of others. He can determine the shape of exterior walls and indoor structures through wall vibrations. He is said to be the second fittest in the Siguang Rescue Team after Choi Dojin. The flip phone he uses is for work at the scene, and he has a separate phone for personal use. He has dating experience and is best friends with Kang Taegu, who falls in love easily.

32 years old, Fire Sergeant. Member of Rescue Team 1, Siguang Special Rescue and EMS Station. He is skilled with drones and machinery. He does not know about Hosu's precognition. He has deep dark circles and hair that sticks upward. He takes care of others in a subtle way. Despite his appearance, he is quite kind. He is best friends with Yun Hyeonseong.

32 years old, Fire Lieutenant. EMS member at Siguang Special Rescue and EMS Station. Given that he stays on the rescue team despite having the connections to advance easily elsewhere, he is a man with a great sense of duty. He is easygoing on the outside but soft-hearted on the inside. He worked with Hosu at the Jakdo 119 Safety Center. He is dating Choi Boram, a Fire Academy classmate he previously worked with in the Jakdo 119 Safety Center EMS team.