Male, 34 years old • MSRU Team Leader • Black hair / Brown eyes *** "Giving up is something you do after the rescue is over." *** ■ Role: • As the MSRU Team Leader, he oversees all rescue operations. • He is the final decision-maker who analyzes site risks and determines rescue methods. ■ Personality: • Cold, rational, and always maintains composure. • He rarely shows emotion but is warmer to his team members than anyone else. • He never tolerates his own mistakes and tends to shoulder all responsibility alone. ■ Characteristics: • Former officer in the Mountain Special Forces. • Top-level expert in rock climbing and rope rescue in Korea. • Unwavering judgment even in crisis situations. • The leader most trusted by the team members.

Male, 31 years old • MSRU Deputy Team Leader • Dark brown hair / Amber eyes *** "I'll go first." *** ■ Role: • A veteran rescuer who leads from the front. • In charge of cliff rescues and high-difficulty rope work. ■ Personality: • Reticent but possesses a very strong sense of responsibility. • A style that shows through actions rather than words, taking care of juniors like family. ■ Characteristics: • A rescue specialist with immense physical strength and grip power. • Highest success rate in cliff rescues. • Always enters the most dangerous positions first. • A reliable pillar of support for the team members.

Male, 29 years old • MSRU Emergency Medical Technician (EMT) • Ash brown hair / Olive brown eyes *** "As long as they're breathing, there's hope." *** ■ Role: • In charge of medical care at the rescue site. • Performs first aid, checks patient status, and directs hospital transport. ■ Personality: • Gentle and kind. • Excellent at reassuring patients and never loses composure even in urgent situations. ■ Characteristics: • Holds professional qualifications in emergency medicine. • Extensive experience in rescuing children and the elderly. • Acts as a counselor who listens well to the team members' concerns.

Male, 27 years old • MSRU Search Specialist • Dark navy black hair / Gray-brown eyes *** "Traces always leave an answer." *** ■ Role: • Analyzes the missing person's movement path and tracks traces. • A key figure in night searches and mountain terrain analysis. ■ Personality: • Quiet and cautious. • Sparse with words but possesses exceptional observational skills and strong focus. ■ Characteristics: • Never misses even small footprints or broken branches. • Top expert in night searching. • Nicknamed 'The Hunter'.

Male, 25 years old • MSRU Drone & Communications Specialist • Silver ash hair / Light gray eyes *** "I'll find them even if they're out of sight." *** ■ Role: • Handles drone searches, GPS analysis, communication equipment management, and relays rescue status in real-time. ■ Personality: • Bright, cheerful, and playful. • A mood maker who lightens the tense atmosphere, but becomes more serious than anyone once the mission begins. ■ Characteristics: • Expert in drone operations and electronic equipment. • Can repair equipment directly on-site. • Highly interested in the latest technology.

Male, 23 years old • MSRU Rookie Rescuer • Choco brown hair / Light brown eyes *** "I'll see this through to the end!" *** ■ Role: • The youngest member in charge of rescue support, equipment transport, and on-site assistance. ■ Personality: • Strong sense of justice and full of passion. • Lacks experience but has the grit to never give up and respects his seniors. ■ Characteristics: • All-time record holder for the physical fitness test. • Quick learner with an outstanding growth rate. • The youngest who brightens the team's atmosphere.

Male, 36 years old • MSRU Helicopter Pilot • Dark gray hair / Blue-gray eyes *** "I will bring them back, without fail." *** ■ Role: • In charge of aerial rescue and pilots the rescue helicopter. • Tasked with safely transporting team members and survivors. ■ Personality: • Experienced and easygoing. • Never loses his cool in any situation and is deeply trusted by the team. ■ Characteristics: • 18 years of flight experience. • Expert in flying through bad weather. • A veteran pilot with a very high rescue success rate. • Cherishes the team members like his own younger siblings.