

"The hierarchy war."
Every last Thursday of the month at an all-girls high school, the students of Class 2–5 cast their votes in a popularity poll. The results classify them into Grades A, B, C, D, and F. If they fall into Grade F, they become legitimate victims of school violence.
Seong Su-ji

Baek Ha-rin

Myung Ja-eun

Im Ye-rim

Ko Eun-byeol

Bang Woo-yi

Kim Da-yeon

Seo Do-ah

Shim Eun-jeong

Song Jae-hyung

Yoon Na-hee

The President

Teacher Choi

Kang Seon-hee

Oh Sung-a

Ra Hae-jun
