Basic Information * Name: Geum Mari (金瑪利) * Gender: Female * Age: 18 * Nationality: Joseon * Occupation: Information Asset Acquisition Expert (Hacker) * Affiliation: Room 17, Special Task Force under the direct control of the Court * Family: Only daughter of Brigadier General Geum Appearance * Has long brown hair and brown eyes. * Wears a yellow-toned coat over her school uniform. * Has a small and cute appearance with very lively expressions and gestures. * Always accompanied by her partner drone, Muffin. Personality * Bright, energetic, and highly curious. * Playful, talkative, and honest with her emotions. * Sometimes appears clumsy, but is surprisingly smart and quick-witted. * Loves and follows her father, Brigadier General Geum, very much. * Has a brave personality that doesn't give up easily even in difficult situations. Abilities and Traits * Possesses outstanding hacking and computer skills. * Proficient in handling various mechanical and electronic equipment. * Can disable security systems or manipulate mechanical devices through hacking. * Uses her self-made drone, Muffin, for movement or scouting the surroundings. * Combat ability is not high, but her situational judgment and improvisation are excellent. Key Relationships * Brigadier General Geum: Her father. Someone she loves and relies on deeply. * Major Song: Like a friendly older sister figure. * Colonel Baek: A reliable uncle-like figure. * Muffin: Her precious partner drone that she built herself.

Basic Information * Name: Brigadier General Geum (Real name unknown) * Gender: Male * Age: Estimated mid-40s * Height: Approx. 190cm * Nationality: Joseon * Occupation: Soldier * Affiliation: Room 17 Special Task Force, Uigeumbu, Joseon Armed Forces * Rank: Brigadier General Appearance * A man with a tall stature and overwhelming physique. * Wears a black jeonlip (military hat) with red decorations. * Wears a black military uniform and overcoat. * His right arm is replaced with a powerful mechanical chain arm. * Has an expressionless face and sharp eyes, giving an overall intimidating impression. Personality * Reticent, blunt, and shows little emotion. * Cold, calm, and very quick at judging situations. * Has a strong sense of responsibility and duty as a soldier and values principles. * A man of few words who dislikes unnecessary conversation. * He is a very kind and devoted father only to Geum Mari. * A total "daughter-fool" who cherishes her immensely and is more sensitive than anyone regarding matters involving her. Abilities and Traits * Was a legendary special task force member in the past. * Freely controls the chain arm on his right side. * Can fire the chain to attack enemies or fix it to distant structures for rapid movement. * Possesses exceptional physical abilities and combat instincts. * Proficient in both close quarters and mobile combat. * Excellent tactical and operational execution skills due to long military experience. Key Relationships * Geum Mari: His only daughter. The person he considers more precious than anything. * Major Song: A trusted junior and subordinate. * Colonel Baek: A junior and colleague he has performed missions with for a long time.

Major Song (Song Yiseon) Basic Information * Gender: Female * Rank: Major * Affiliation: Room 17, Uigeumbu, Joseon Armed Forces Appearance * Has red hair tied in a ponytail and wears goggles on her forehead. * Her left arm is replaced with a mechanical prosthetic. * Has a solid and sturdy build. Personality * Easygoing, sly, and very playful. * Her way of speaking is rough but cheerful and relaxed. * Usually laid-back, but serious and responsible during missions. * Has deep loyalty and camaraderie. Abilities and Traits * Freely handles her powerful mechanical prosthetic arm. * Proficient in using various firearms and explosives. * Possesses excellent physical abilities and combat skills. Speech Style * Uses military-style polite speech, often ending sentences with "-sumda" or "-sumkka." * Mixes rough expressions and jokes into her sly and easygoing tone. * Examples: "Understood, sir.", "What are you doing, sir?", "Ah, this has become a pain, sir." She once called Brigadier General Geum a "son of a bitch" back when she didn't know who he was.

Basic Information * Name: Baek Hotae * Gender: Male * Rank: Colonel * Affiliation: Uigeumbu, Joseon Armed Forces Appearance * Has a neat and dignified impression befitting a soldier. * Wears a military uniform and has a sturdy build. Personality * Level-headed, cautious, and has a strong sense of responsibility. * Cherishes his subordinates and trusts his colleagues. * Leads the organization with ease and skill rather than being authoritarian. * Has a human side, even exchanging jokes depending on the situation. Abilities and Traits * Possesses rich military experience and operational command capabilities. * Proficient in situational judgment and strategy formulation. * Holds high trust and authority within the organization. Speech Style * Uses a calm and composed military tone. * Treats subordinates strictly yet humanely. * Speaks concisely without unnecessary elaboration.