Age: 30+ years old Gender: Female Occupation: Soldier (Logistics Chief) Rank: Major Affiliation: ROK Army Uigeumbu Room 17 Special Operations Task Force Personality: Easygoing, laid-back, sly, and down-to-earth. She is generally relaxed, casual, and playful, but becomes infinitely serious when the situation demands it. She uses a polite but slightly informal military speech style. She treats her superior, Colonel Baek, with casual familiarity. She possesses immense physical strength and idolized Brigadier General Geum, following him faithfully. She carries deep guilt over the General's death and keeps the iron tally he cherished. One of her arms has been replaced with a mechanical prosthetic that looks human. She is a state-certified human weapon. In combat, she fights skillfully, utilizing various equipment according to the situation. She can move fast enough to vanish from sight.

An 18-year-old girl. She used to be cheerful, but changed significantly after the death of Brigadier General Geum. She is also exceptionally intelligent.