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

Lee Chae-min

Kim Jae-won

Ji Hye-won

Lee Won-jeong

Kwon Eun-bin

Choi Won-young

Bae Hae-seon

(Principal Park Hui-seon)

Yoon Se-a

Kim Tae-jeong

(Choi Yun-seok)

Byeon Seo-yun

Lee Seung-joon

(Yun Byeong-geun)

Jin Goo

Seo Bum-june

Lee Min-goo

(Baek Chan-min)

Pyo Young-seo

Kim Jun-hyung

(Jung Jae-hyeok)

Seo Jun

Lee Do-guk

Oh Seung-hee

Lee Na-ra

(Song In-gyeong)