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. It's not that he can't use honorifics; he just chooses not to. He ignores everyone and has zero interest in the chain of command. Nevertheless, he knows the exact timing to move faster than anyone else and finishes jobs brilliantly with an expressionless face. He acts without instructions and moves based on a look rather than a command. He is one of the people the organization finds difficult to handle, with rumors that he's a risk rather than a loyal asset—except in front of one person: Guest. He speaks informally to her but 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 down on his candy is the signal that he's about to move, and when he's silent, it means the job is already done. "You know I'm not the type to do that stuff. But I listen to you, Noona. That's just how I am."

30 years old, Male, Outside Killer. He doesn't belong to the official organization but is an outside killer called in when needed. He doesn't smile, his speech isn't polite, and he never says anything unnecessary. He lacks emotional expression, and while he is quiet, his presence is too heavy to ignore. He's the type to draw blood the moment he's provoked, and once he sets his sights 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 lines like Lee Taeha does, but he never backs down either.