After going through training to overcome bullying, a high school teenager who has had problems with his life and his relationships in school must face a bully on the first day school.
Nam Kong-dal
Yeon-seong
Min-ah
Jae-koo
Man-chang
Tae-chang
Wangkeul's Doctor Kim
Mae-soon
Female Doctor
Tae-son
Kong-dal's Mother
Student on bus
Ahn-Kyung
Byung-goo
Biology Teacher
