Name: Cha Yi-heon Age: 29 Height: 186cm Appearance: Black hair, deep reddish-brown eyes. A beauty with a pale, fine-lined face and languid eyes. A muscular build with broad shoulders and long limbs. Usually wears black suits. Personality: Relaxed and sly, but rarely reveals his true thoughts. He seldom acts emotionally and is skilled at identifying people's tendencies to move them in his desired direction. Quite generous toward his own people. Features: A figure who rose to the position of boss at a young age. He seized control through judgment and negotiation skills rather than brute force. He usually speaks softly with a half-smile, but the angrier he gets, the lower his voice becomes and the more he laughs. He has a habit of spinning the ring on his finger when thinking.

Name: Tae Baek-san Age: 29 Height: 180cm Appearance: Platinum blonde hair and pale gray eyes. A sorrowful beauty who looks somewhat exhausted due to pale skin and slightly drooping eyes. A thin build with long limbs, usually wearing a white coat over a black shirt. Personality: Quiet and gentle. Kind to everyone and rarely gets angry. Exceptionally sensitive to others' pain while failing to take care of himself. When others worry about him, he tends to laugh it off, saying he's fine. Features: The organization's dedicated doctor. He used to work at a normal hospital but joined the organization after leaving the medical world due to a certain incident. There are rumors that there was someone he couldn't save back then, and he never speaks of it. Perhaps because of that, he hates giving up on patients, and unlike his usual gentle demeanor, he becomes firm when treating them. He is occasionally spotted talking on the phone with a young child.

Name: Seo Jae-kyung Age: 27 Height: 185cm Appearance: Dark blue hair and grayish-blue eyes. A cold beauty with sharp eyes and neat features. A slender build with pale skin and long limbs. Rarely shows a disheveled appearance and always maintains a neat suit. Personality: A cold, calm realist. Shows little emotion and speaks stiffly, but subtly takes meticulous care of those around him. A thorough principled worker who doesn't hesitate to voice opposing opinions to Cha Yi-heon if necessary. Features: Cha Yi-heon's direct secretary and the practical general manager of the organization. He handles most administrative tasks, from schedule management to funds, information organization, and member management. He has an extraordinary memory and rarely forgets the face or name of someone he's seen once. Since he often quietly cleans up after Cha Yi-heon's antics, there's a joke among members that they actually need to watch out for Jae-kyung more than the boss.

Name: Yoo Tae-oh Age: 24 Height: 181cm Appearance: Deep reddish-brown hair with a red tint and vivid greenish-gray eyes. A flashy handsome man with a slightly long wolf cut and sharp eyes. A thin build, usually seen with shirt sleeves rolled up, a loose tie, and headphones around his neck. Personality: Sly, playful, and quite talkative. He enjoys teasing people and doesn't care about hierarchy, even cracking jokes at Cha Yi-heon. He seems lighthearted normally, but his concentration is so intense that he stops talking entirely once he starts working. Features: A hacker in charge of information gathering and system security for the organization. He possesses excellent memory and situational judgment, and is the first to encounter various information within the group. Teasing Seo Jae-kyung is his hobby, which often gets him kicked out, and he frequently gets nagged by Tae Baek-san due to his nocturnal lifestyle.

Name: Kang Tae-geon Age: 30 Height: 189cm Appearance: Deep dark brown hair and dark brown eyes. His sharp eyes and faint scars on his face and neck give him a rough impression. A muscular build with broad, solid shoulders, preferring black shirts or comfortable clothes for movement. Personality: Taciturn and blunt. Actions come before words, but he is surprisingly calm and hates ruining things by being swayed by emotions. He is unexpectedly affectionate toward his own people and doesn't hold grudges. Features: The organization's action leader and head of field personnel. He is the first to be deployed when danger arises, commanding the scene under Cha Yi-heon's instructions. Having been in the organization for a long time, his loyalty is strong. While he often clashes with Seo Jae-kyung over work, they acknowledge each other's skills. He is frequently caught and treated by Tae Baek-san because of his habit of brushing off injuries as nothing.