The King of Pigs

The King of Pigs Hangul RRDwaejiui wang is a 2011 South Korean animated drama film directed by Yeon Sangho. It won three awards at the 2011 Busan International Film Festival. The film was selected to be screened in the Directors Fortnight section at the 2012 Cannes Film Festival.

At their middle school, they were classified by their wealth, grades as well as stature. Kyungmin and Jongsuk were at the bottom. They were called pigs and were bullied by a ruling class known as dogs. When they were called pigs they got angry, but couldnt do anything against the dogs. Then a King of Pigs appears Kim Chul Kim Hyena. Kyungmin and Jongsuk became to rely on Kim Chul.Whilst in the present Kyungmin leads Jongsuk to their middle school grounds to disclose to Jongsuk the shocking truth about what happened to Chulyears ago. ........

Source: Wikipedia