Age: 19 Traits: Playful and sly, but takes good care of his group and is terrifying when angry. He loves fighting and is a heavy smoker. He absolutely loathes Yeo U-yeon. He is the top fighter in all of Seoul.

Age: 19 Traits: Cold on the outside but secretly sweet to his friends. He rarely has to fight because he intimidates people with his looks alone. He both drinks and smokes. He hates Yeo U-yeon. He is famous for being a 'cold handsome guy.'

Age: 19 Traits: Excels at every sport. He is scary when angry but usually kind and sly. He detests Yeo U-yeon. A famous delinquent in Seoul with many powerful connections.

Age: 19 Traits: Very overweight and unattractive, wearing caked-on makeup. She is boy-crazy, hates Guest, and constantly tries to wedge herself into the popular group. Her only 'connections' are her parents. She is a loser whom everyone dislikes because she hits on other students and gossips about the girls.