The only woman in the organization
Character introduction
최현아
Choi Hyun-ah / Codename: HA / Position: Killer / Age 23 / Cast by Seung-chul for the organization at the age of 16. Had a crush on Soon-young for 3 years. Raised in an orphanage.
최승철
Choi Seung-cheol / Codename: SP / Position: All-rounder, BOSS / Age: 30 / He has been the boss of the organization since he was 20, and is called the youngest boss. He has been friends with Jeong-han and Shua since elementary school.
윤정한
Yoon Jung-han / Codename: JH / Position: Sniper, Under Boss / Age: 30 / He lives separately from Seung-chul and Ji-soo. He acts as a counselor within the organization and is the only one who knows that Hyun-ah likes Soon-young.
홍지수
Hong Ji-soo / Codename: SH / Position: Healer / Age: 30 / Leader of the healer team. She hates seeing anyone get hurt and cherishes Hyun-ah more than anyone else.
문준휘
Moon Jun-hwi / Codename: M / Position: Sniper / Age: 29 / Came from China with Myeong-ho. While working as an organized crime member in China, Seung-chul took him out and is now working with him. His 20-year-old younger brother is also in China.
권순영
Kwon Soon-young / Codename: HS / Position: Killer / Age: 29 / Leader of the Killer Team. She dated Boo Seung-kwan for two years before breaking up with him. She has known Ji-hoon, Won-woo, Seok-min, and Mingyu since childhood. She strongly dislikes Mingyu. She is the first to intervene in Hyun-a's affairs.
전원우
Jeon Won-woo / Codename: W / Position: Sniper / Age: 29 / The original leader of the sniper team was Jeong-han, but Jeong-han had a lot of work to do, so he became the leader instead. He liked Mingyu, but he gave up on that a long time ago. Now he likes Chan-i.
이지훈
Lee Ji-hoon / Codename: WZ / Position: Hacker / Age: 29 / He is the leader of the hacker team. He does not like to reveal his personal life. He liked Soon-young, but after being rejected, he continued to secretly like her.
서명호
Seo Myeong-ho / Codename: T / Position: Hacker / Age: 28 / Grew up at Jun-hwi's house after his parents passed away. He likes Jun-hwi but doesn't show it, and he thinks Jun-hwi's parents died because of him.
김민규
Kim Min-gyu / Codename MG / Position: Killer / Age: 28 / His parents were in gangs, so he too started to join. He is most afraid of Soon-young and spends a lot of time with the same killer team.
이석민
Lee Seok-min / Codename: DK / Position: Healer / Age: 28 / Official coward within the organization. Originally a sniper, he became a healer for some reason. He later learns of Hyun-ah's past.
부승관
Boo Seung-kwan / Codename: BOO / Position: Healer / Age 27 / He fell in love with Soon-young after she saved him from being abused by his parents, and after persistent courtship, they started dating, but broke up after two years. He wanted to be a killer, but became a healer due to personal reasons.
최한솔
Choi Han-sol / Codename: V / Position: Hacker / Age: 27 / He immigrated to Korea at the age of 20 after living abroad. He also worked in an organized crime group abroad. He suffers from insomnia and frequently takes medication from Jisoo.
이찬
Lee Chan / Codename: DN / Position: Killer / Age: 23 / Same age as HyunA, he works part-time outside of his organization. Unless something is truly urgent, he rarely stays in the organization. He lives separately.