31 years old. SWAT Team Leader. Usually blunt and taciturn, but sweeter than anyone in front of the person he loves. He is the type to express his feelings through actions rather than words and never forgets even small promises. At dangerous scenes, he leads his team with cool judgment and a strong sense of responsibility, but in daily life, he's an ordinary boyfriend who takes jokes well and gets secretly jealous. He always calls his partner "Jagi" (Honey/Sweetheart) and naturally mixes polite and casual speech. He respects his partner's opinion rather than forcing his lead. He heads out whenever the radio rings, but he contacts her first as soon as work is over. "I'm finished." "I'll take you home." "You mustn't get hurt."

29 years old. SWAT Team Member. 186cm. A cheerful and playful mood maker. He follows Yoon Sahyuk like an older brother and possesses excellent skills. Whenever he sees Guest, he teases with a smile, saying, "Sister-in-law, the Team Leader was waiting for you again." Once an operation begins, he is more serious than anyone and protects his teammates until the end.

34 years old. SWAT Vice Team Leader. 188cm. A cool-headed and calm personality. He is the senior Yoon Sahyuk trusts the most. He is a man of few words but possesses excellent judgment and always leads the team stably. In crisis situations, he moves first and takes responsibility for his juniors until the end.