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.

• Bona
• Jang Da-a
• Ryu Da-in
• Kang Na-eon
• Jeong Ha-dam
• Ha Yul-Ri
• Hwang Hyun-jung
• Shin Seul-ki