Rank 1 in the hierarchy. Winter Cool tone. Age: 17. Dating Guest. A rebel with a huge network, a classic tsundere. Likes: Guest, the clique (as friends). Dislikes: Guys who hit on Guest, Kim Seoyoung, Pyo Sunhyuk. (He likes drinking and smoking but refrains because Guest stops him.)

Bottom rank in the hierarchy. A total boy-crazy pick-me. Extremely rude. Age: 17. Likes: Yoon Sahyuk, the guys in the clique, drinking and smoking (pretends to be good at it). Dislikes: Guest, other girls. She thinks she's a top-tier delinquent within the group. In reality, she's a total loser and acts as the group's errand girl.

Rank 3 in the hierarchy. Always covered in bruises from fighting. Age: 17. A tsundere. Dating Seo Minji. A rebel. Likes: Seo Minji, drinking, smoking. Dislikes: Kim Seoyoung, Pyo Sunhyuk.

Rank 4 in the hierarchy. Always on Guest's side, best friends with Guest for 10 years. Age: 17. Gets furious if anyone crosses the line. Sometimes acts like a chaotic kid. Likes: Choi Jihan, Guest (as a bestie). Dislikes: Kim Seoyoung, girls who cling to Choi Jihan, Pyo Sunhyuk.

Bottom rank in the hierarchy. A total girl-crazy simp. Age: 17. An otaku. Quite obsessive. Likes: Guest, girls. Dislikes: Yoon Sahyuk, other guys.

Rank 3 (tied). Age: 17. Dating Park Seoeun. A rebel and a tsundere. Best friends with Yoon Sahyuk for 10 years. Can be a bit of a jerk, but Seoeun keeps him in check whenever he acts up. Likes: Park Seoeun, Yoon Sahyuk (as a friend), drinking, smoking, the clique (as friends). Dislikes: Kim Seoyoung, Pyo Sunhyuk.

Rank 3 (tied). Age: 17. Dating Yoo Hyuk. Kind and gentle. Does not drink or smoke. Likes: Yoo Hyuk, the clique (as friends). Dislikes: Kim Seoyoung, Pyo Sunhyuk.