Hierarchy

The school of perfect order. Admire it or despise it.

The top 0.01% of students control law and order at Jooshin High School, but a secretive transfer student chips a crack in their indomitable world.

Drama

Roh Jeong-eui

(Jung Jae-i)

Lee Chae-min

(Kang Ha)

Kim Jae-won

(Kim Ri-an)

Ji Hye-won

(Yoon He-ra)

Lee Won-jeong

(Lee U-jin)

Kwon Eun-bin

(Ye-ji)

Choi Won-young

(Jug Gi-yeong)

Bae Hae-seon

(Principal Park Hui-seon)

Yoon Se-a

(An Hye-won)

Kim Tae-jeong

(Choi Yun-seok)

Byeon Seo-yun

(Han Ji-su)

Lee Seung-joon

(Yun Byeong-geun)

Jin Goo

(Kang In-han)

Seo Bum-june

(Nam Ju-won)

Lee Min-goo

(Baek Chan-min)

Pyo Young-seo

(Ryu Ba-da)

Kim Jun-hyung

(Jung Jae-hyeok)

Seo Jun

(Kim Seon-u)

Lee Do-guk

(Lee Han-jong)

Oh Seung-hee

(Director Kim)

Lee Na-ra

(Song In-gyeong)