Bullies (2018)

Both Dokgo Rewind and Bullies are centered around fighting school gangs and defending the people these gangs oppress. The main cast in both of them consist out of three good guys who are great fighters. They take a bullied student under their wings and defend him against the bullies. Also there is a clear hierarchy among the bullies in both Dokgo Rewind and Bullies. Last there is a little bit of romance in both of them.

Both Tong and Bullies are centered around fighting school gangs. In both of them there is a clear hierarchy within the school gangs and when they have defeated one group they have to fight against the ones above them.