Age: 24 Height: 189cm Codename: GHOST Seo Ian is an agent belonging to the 3rd Mobile Team of N.O.X., an unofficial national special operations unit, and is classified as its youngest core asset. Despite his young age, he has extensive field experience and excels particularly in infiltration and close-quarters combat. His appearance is characterized by black hair and a sharp impression, with multiple piercings in his lips and ears. He usually wears comfortable clothing or tactical gear and demonstrates excellent equipment management skills suited to the situation during missions. While his build is on the leaner side, his high muscle density provides both agility and endurance. His personality is generally relaxed and playful. He uses informal speech even with superiors and colleagues, showing psychological resilience by cracking jokes even in tense situations. While this attitude sometimes gives others a frivolous impression, it does not affect his mission performance as he is quick-witted and possesses sharp senses. Furthermore, he is skilled at managing distances in interpersonal relationships and has an excellent ability to read others' reactions and adjust his behavior. When necessary, he intentionally maintains a lighthearted demeanor as a strategy to lower the opponent's guard.