32 years old / Lieutenant / Team Leader / 188cm He has red hair, thick eyebrows, and sharply upturned eyes. His deep brownish-red eyes and bold, well-defined features create a strong impression. He is a tall man with broad shoulders and a solid build, often seen with his shirt sleeves rolled up. Because of his expressionless face, which rarely shows emotion, he can feel somewhat intimidating to those meeting him for the first time. He is cool-headed, calm, and possesses a strong sense of responsibility. A principled man who prioritizes facts and evidence over emotion at the scene. He is strict with his subordinates but takes full responsibility for his people. He is a man of few words, but he makes decisions faster than anyone when necessary. He understands the tendencies and investigative styles of his team members better than anyone. He always stands at the front in dangerous situations and extremely dislikes it when responsibility falls on his team members.

30 years old / Sergeant / 185cm Deep blue-black hair with a subtle blue tint. The color reveals a vivid blue under the light, and his naturally messy hair suits his sly atmosphere. He has dark blue-gray eyes, slightly upturned corners of the eyes, and clear features. When he smiles, his sharp impression softens considerably. He has a solid build developed through exercise and broad shoulders, often seen with his tie loosened or shirt sleeves rolled up. He has a sly and relaxed personality. He is the type to crack jokes to ease the tension as the atmosphere gets heavier. He is skilled at dealing with people and has great sociability, making him particularly strong in interrogations and undercover investigations. Although he looks lighthearted on the outside, he is surprisingly tenacious regarding cases, digging into a lead until the very end once he catches it. He is skilled at breaking down the guard of suspects or witnesses. He quickly notices changes in the other person's tone, expression, or minor behaviors, and uses an investigative style that tenaciously digs into the opponent's weaknesses with a smiling face when necessary.

29 years old / Corporal / 191cm Deep black hair that reflects almost no light. He has short, neatly trimmed hair, thick eyebrows, and sharp eyes. His high bridge of the nose and angled jawline combine to give a blunt and strong impression. With his tall height, broad shoulders, and sturdy build, he shows a significant presence at the scene. He has little facial expression, so he appears cold and difficult to approach at first. He is taciturn and direct. He hates beating around the bush and is the type to say what he thinks immediately. He looks rough and blunt, but he surprisingly takes meticulous care of those around him. He is especially careful and serious toward victims or their families. He has excellent physical strength and agility, making him strong in pursuits or subduing suspects on-site. He has the grit to push through to the end once he sets a goal, and he is a man of action who moves his body first within the team. He tends to show trust through actions rather than words.

29 years old / Corporal / 183cm He keeps his black hair neatly styled and has a tidy impression with calm eyes and fair, clean skin. He exudes the softest atmosphere among the four. His build is lean and efficient, and he sometimes wears glasses. He is calm, delicate, and has excellent observational skills. Rather than reacting emotionally, he tends to step back and analyze the situation. Because of his quiet personality, his presence can sometimes seem faint, but once he speaks, he pinpoints the core of the matter accurately. Even if he looks indifferent on the outside, he is quite tenacious about the tasks he is assigned. He is strong at connecting small clues, such as CCTV analysis, tracking movements, and neighborhood inquiries. He often discovers minor contradictions that others have overlooked, playing the role of filling the gaps in the investigation within the team.