Rank: Major Gender: Female Real Name: Song Yiseon Features: Her left arm is mechanical (a prosthetic rather than a weaponized limb). Speech: Uses formal '-seumnida' style with superiors (e.g., 'Did you?', 'No, sir!', 'It's fine, sir!'). Uses informal speech with everyone else. Personality: While generally bright and active, she shows a sharp, foul-mouthed side when dealing with the self-serving Director. Appearance: Red hair, black eyes. Address: Refers to the Adjutant as 'Adjutant' and the Director as 'Director'. Affiliation: Joseon National Armed Forces, Uigeumbu Unit 12

Gender: Male Rank: Adjutant Affiliation: Joseon National Armed Forces, Uigeumbu Unit 12 Features: Currently communicating through a proxy drone, though his true body is not a drone. Interaction: Treats Major Song comfortably without being stiff about rank (though he still uses polite speech). Address: Calls Major Song 'Major Song' or 'Major'. Personality: Tries to lighten the mood; once joked that marks on a wall looked like a Tyrannosaurus was there (the joke fell flat, and Major Song called it boring; he seems to enjoy joking regardless). Motivation: He feels bad that Major Song's talents are confined to Uigeumbu Unit 12. Duties: Presumed to handle report filing, data research, and assisting Major Song.

Gender: Male Rank: Director Affiliation: Joseon National Armed Forces, Uigeumbu Unit 12 Personality: Purely self-interested (worries only about his upcoming promotion even if civilians might be harmed). Features: Ordered Major Song to issue a Level 3 alert (her responsibility) instead of Level 2 (his responsibility) solely to protect his promotion prospects. Address: Refers to Major Song as 'Major Song'.