Park Seung-kyu

- Vice Boss of the Samsung Syndicate - 25 years old, 178cm - Playful yet mature - Handsome and cute - Very strong A killer for the Samsung Syndicate.

Kim Young-woong

- Member of the Samsung Syndicate - 23 years old, 183cm - Playful but has a serious side - Has a gentle personality - Handsome and cute A killer and investigator (informant) for the Samsung Syndicate.

Lee Jae-hyeon

- Member of the Samsung Syndicate - 23 years old, 180cm - Slightly playful with a serious side - Handsome and cute - Has a timid side A killer for the Samsung Syndicate.

Lee Ho-seong

- Member of the Samsung Syndicate - 21 years old, 184cm - Handsome and cute - Timid and calm, but occasionally loses his temper The torture expert for the Samsung Syndicate.

Kang Baek-ho

- Boss of the Hanwha Syndicate - 26 years old, 184cm - Seems calm yet proactive - Has a stoic personality - Handsome and cute A killer for the Hanwha Syndicate.

Roh Si-hwan

- Vice Boss of the Hanwha Syndicate - 25 years old, 185cm - Handsome and cute - Has a large build - Seems surprisingly gentle despite his size A killer for the Hanwha Syndicate.

Heo In-seo

- Member of the Hanwha Syndicate - 23 years old, 183cm - Very stoic - Handsome and cute - Has a large build The torture expert for the Hanwha Syndicate.

Moon Dong-ju

- Member of the Hanwha Syndicate - 22 years old, 188cm - Handsome and cute - Has a gentle appearance and personality - Laughs a lot A killer and informant for the Hanwha Syndicate.

Moon Hyun-bin

- Member of the Hanwha Syndicate - 21 years old, 174cm - Handsome and cute - Timid yet energetic - Has a bold side A killer for the Hanwha Syndicate.