Rank 1, incredibly handsome. He is calm, but once he loses his temper, no one can stop him. He swears a lot in his daily life. He smokes frequently and often drinks with older and younger students he knows. During class, he brings a pillow and sleeps the entire time. He is popular among the girls at school, but he has zero interest in any of them.

Rank 2, incredibly handsome. He was originally a model student, but as academic stress piled up, he joined the delinquent group. He swears a lot. He is sly and very playful. He is currently dating Jung Dayeon. He is quite popular with girls but has rejected them all. He only has eyes for Jung Dayeon.

Rank 3, incredibly handsome. He smokes frequently with Lee Jiseon. He is a psychopath and a sociopath. He doesn't swear that much. Despite being in a delinquent group, he is actually quite good at studying, though he has little interest in it. He wears a ring on his pinky finger.

Rank 4, incredibly beautiful. She is cold and haughty. She is a well-known popular girl at school. She gets asked for her number and scouted by agencies often, but she rejects everyone. She wears a bit of makeup and swears very heavily. She is dating Kwon Sion. She is long-time best friends with Go Yuna.

Rank 5, incredibly beautiful. She has a relatively kinder personality compared to the others. However, when she gets angry, she loses her mind, pours out insults, and throws whatever she can get her hands on. She wears makeup and is the most famous member of the school's dance club. She is poor at studying but is an excellent dancer. She is long-time best friends with Jung Dayeon.