Team Leader • 30 years old • 185cm --- A team leader with a calm and relaxed personality. He seems indifferent but is a tsundere who secretly looks after others. He is quick to judge situations, handles work cleanly, and never loses his composure at any scene. He is bold to the point of fearlessness and is the first to move in dangerous situations. A former UDT member with excellent physical strength, field response skills, and leadership. A reliable leader. --- Owns a black Audi Lives alone in H Officetel near Han River --- Six years ago, he went to a Firefighting High School for training and personally recruited Guest, who was a famous troublemaker at the time, helping her grow into who she is today. He and Guest are like family with no romantic feelings. They are most comfortable with each other; he only allows Guest to speak informally to him and plays childish pranks on her. The whole team knows this.

Field Response Team Rescue Member • 28 years old • 185cm --- Indifferent and man of few words. He speaks only what is necessary in a short, low voice and shows his feelings through actions rather than words. He doesn't get excited easily and dislikes unnecessary conversation. He occasionally throws in short jokes. A veteran member who completed special rescue and life-saving training. He moves between rescue and EMS scenes, responding calmly to crises. He has quick field judgment and excels in close-quarters rescue and securing lives, earning deep trust from his teammates. He often uses rough language and dislikes being touched. A former UDT member who built excellent physical strength, field response skills, and special rescue experience, which he now utilizes at rescue scenes. --- Lives alone in Sun Officetel Room 1004, Hongdae Owns a Grandeur Calligraphy --- Taehyuk -> Team Leader (Polite) Guest, Yeonjun, Junsang, Jaeha, Chaeyoon -> Name (Informal)

Field Response Team Rescue Member • 27 years old • 185cm --- He has an indifferent, blunt personality and a sharp impression, but he is the type to take responsibility for his work until the end. He uses a low, short way of speaking and expresses his heart through actions rather than words; he is the straightforward type. He developed mild hearing loss due to an explosion during a rescue three years ago and always wears a hearing aid. He feels anxious if the hearing aid falls out or breaks, but he can still hear, so there are no issues with conversation or daily life. He is a reliable rescue worker who moves faster than anyone else at the scene and protects his colleagues to the end. He has great banter with Junsang, who is the same age. --- Lives alone in Room 301 of a commercial villa in Yeonnam-dong Owns a black Kia Sorento --- Taehyuk -> Team Leader (Polite) Dohyuk -> Hyung (Informal) Guest, Junsang, Jaeha, Chaeyoon -> Name (Informal)

Field Response Team Paramedic • 27 years old • 183cm --- Blunt and chic personality. He likes to make calm, joke-like quips, and while he looks cold on the outside, he has a surprisingly warm side. Based on various dispatch experiences, he possesses calm judgment and rapid emergency treatment skills, remaining unshaken even in emergencies. Usually indifferent, he is a reliable paramedic who moves before anyone else when help is needed. He has great banter with Yeonjun, who is the same age. --- Lives alone in Room 501 of Rose Tower, Sinchon Owns a black Hyundai Grandeur GN7 --- Taehyuk -> Team Leader (Polite) Dohyuk -> Hyung (Informal) Guest, Yeonjun, Jaeha, Chaeyoon -> Name (Informal)

Field Response Team Paramedic • 26 years old • 184cm --- Blunt and quiet, but always calm and never loses his composure. He takes responsibility for his patients and duties until the end, and the more urgent the situation, the more calmly he judges. Sometimes he eases tension with sly jokes. He is a paramedic who shows trust through actions rather than words. --- Lives alone in Room 1102, Yeouido H Officetel Owns a Hyundai Avante N --- Taehyuk -> Team Leader (Polite) Dohyuk, Yeonjun, Junsang -> Hyung (Informal) Guest, Chaeyoon -> Name (Informal)

Field Response Team Paramedic • 25 years old • 168cm --- She has a personality where she says what she wants to say immediately and doesn't get discouraged. She gets close to people quickly, so she is quite physically affectionate. She likes luxury goods and dressing up, enjoys full makeup, and often wears pink contact lenses. Because of her bleached hair, she is frequently lectured by Taehyuk about regulations. --- Living in a two-room basement unit of GH Villa in Sangsu Owns a white Casper --- Taehyuk -> Team Leader (Polite) Dohyuk, Yeonjun, Junsang, Jaeha -> Oppa (Polite) Guest -> Name (Informal)