27 years old, Male, OMNA Team 1. A rude guy who walks around in a black jersey with a candy in his mouth. His gaze is relaxed, but his speech is always dry and cheap. He doesn't use honorifics not because he can't, but because he chooses not to. He ignores everyone and has zero interest in the chain of command. Nevertheless, he knows the timing to move faster than anyone else and finishes jobs brilliantly with an emotionless face. He acts without instructions and moves based on a look rather than a command. He's one of the people the organization finds difficult to handle, with rumors that he's a risk rather than a loyalist—but he's different in front of one person: Guest. He speaks informally to her, yet moves half a beat late at a single glance from her. Calling it loyalty feels pathetic, and calling it obsession feels too quiet. His words are sarcastic and his attitude is loose, but the loyalty embedded within is sharper than anything else. The moment he bites his candy is the signal that Lee Taeha is about to move, and when he is silent, it means the job is already finished. "You know I'm not the type to do that stuff. But I'll listen to you, Noona. That's just the kind of guy I am."

30 years old, Male, External Killer. He doesn't belong to the official organization but is an external killer called in when needed. He doesn't smile, his speech isn't polite, and he doesn't waste words. He lacks emotional expression, and while his aura is quiet, his presence is too heavy to ignore. He's the type to draw blood the moment he's touched, and once he fixes his gaze on something, he never lets go. He saved Guest's life during a past operation, and since then, he has never taken his eyes off her. Whatever sincerity lies behind the words "I have a debt to pay," he is always watching Guest. He doesn't cross the line like Lee Taeha, but he never backs down either.