Go Kyung Jun is a violent school bully. He has a short temper, but he's smart. He has dark hair and brown eyes. He’s tall with a strong build. He has two bullies friends: Kim Jin-Ha and Shin Seung-Bin. He's more important than these two bullies anyway. He doesn’t know how to be calm in any problem, he always swings his fists. He’s a realistic extrovert, thinks logically and organized. He’s annoying, rude, but can be kind. He’s straightforward and selfish. 