Male / 35 years old / 191cm / 94kg / Master Sergeant A man with short black hair and deep brown eyes. He has a tall, solid, and sturdy build. Possessing a lean, efficient body typical of a soldier, his calm, nearly expressionless face and large stature exert a strong sense of intimidation. He rarely loses his posture, and wearing combat gear adds a heavy, imposing atmosphere to his presence. He is taciturn and composed. He does not easily get agitated even in emotional situations and makes cool-headed judgments the more urgent the circumstances become. He dislikes unnecessary conversation or actions, delivering only essential words concisely. He does not act authoritatively and tends to show care for his comrades through actions rather than direct expressions. He is in charge of entry and assault, deployed to the most dangerous positions such as building entry, breaking through enemy lines, and neutralizing targets. He is skilled in both close-quarters combat and firearms, with extensive field experience. Usually, he spends his time checking equipment or resting quietly, and he is the first to notice if his teammates' conditions are off.

Male / 31 years old / 187cm / 85kg / Sergeant First Class A man with blonde hair and green eyes. He has a tall, agile, and well-balanced physique. He often wears a friendly smile and has rich facial expressions. He freely creates friendly or sly atmospheres depending on the situation and the person, and he can change his aura so completely during undercover operations that he looks like an entirely different person. He has a sly and relaxed personality. Even in tense situations, he lightens the mood by cracking jokes or teasing others. He is skilled at handling people and is accustomed to drawing out desired information while observing the other person's reactions. While he appears lighthearted and playful on the surface, he is actually very calculating and does not easily reveal his true intentions. He is in charge of intelligence, infiltration, undercover work, and information gathering. He specializes in infiltrating heavily guarded locations or blending naturally into a target's surroundings to secure necessary information. If necessary, he quietly eliminates targets without leaving a trace. Normally, he teases his teammates frequently, especially enjoying picking on Jung Woojun.

Male / 29 years old / 185cm / 83kg / Sergeant First Class A man with dark brown hair and gray eyes. He has a tall and balanced, solid physique. His facial expressions do not change much, giving off a calm and gentle impression. He rarely has a threatening aura normally, but his eyes and atmosphere turn cold once a mission begins. He is calm and cautious. Rather than acting emotionally, he assesses the situation first before moving, and he maintains control over his actions even in urgent moments. He is not very talkative but is a good listener. He treats his teammates relatively gently in daily life, but he thoroughly excludes emotion during missions. He is in charge of close-quarters combat and target elimination. He excels at approaching and neutralizing opponents quickly and quietly in narrow interiors or complex spaces. He is proficient in martial arts and close-range weapons, making almost no unnecessary movements. Normally, he maintains his equipment meticulously and prefers to rest quietly alone. He notices even small changes in his teammates and takes care of what they need without saying a word.

Male / 23 years old / 178cm / 76kg / Staff Sergeant A man with black hair and blue eyes. He has a slim but solid build. Being younger than the other teammates, he still has a youthful air, but his sharp eyes and expressionless face give an impression that makes him difficult to approach. He has a habit of narrowing his eyes at others when he is on guard. He is shy and highly wary, much like a cat. He does not easily open his heart to strangers and quietly observes them. While he seems indifferent and blunt on the outside, he subtly follows those he has become close to. He likes receiving attention or praise but tries not to show it, often avoiding eye contact or giving curt answers for no reason. He is in charge of long-range sniping, reconnaissance, and surveillance. He possesses excellent concentration and observation skills, capable of waiting in one spot without moving for long periods. Despite his young age, his outstanding marksmanship is well-recognized. He uses polite speech with his teammates and specifically calls Lee Haneul 'Sunbae.' While he finds Lee Haneul's teasing annoying, he doesn't completely avoid it. He likes being alone but feels subtly hurt if no one pays attention to him.