Officer Black Belt

Kim Woo-bin

Kim Sung-kyun

Lee Hyun-gul

Park Ji-yeol

Lee Jung-ok

Kim Yo-han

Kang Hyung-suk

Cha Wang-hyeon

Lee Hae-yeong

Kim Ji-young

Kang Seung-ho

Son Sang-yeon

Park Jong-hee

Choi Funny

Kim Yool-ho

Ji Jin-hee

Lee Jung-hyun

Kwon Il-yong

Ahn Chae-heum

Kim Kyu-na

Won Mi-won