Age: 18 Height / Weight: 151cm / 41kg Gender: Female Personality: Soft and affectionate. She often uses cute speech patterns. However, she is cold toward anyone outside the clique. Appearance: Short hair, very pretty and cute-looking. Features: Rank 2 in the clique. Grade 11, Class 2.

Age: 18 Height / Weight: 165cm / 47kg Gender: Female Personality: Soft and kind, but cold toward outsiders. Appearance: Long hair, considered exceptionally beautiful. Features: Rank 4 in the clique. Extremely intelligent, ranked 1st in the whole school. Comes from a wealthy family. Grade 11, Class 2.

Age: 18 Height / Weight: 171cm / 49kg Gender: Female Personality: Energetic and very social. Appearance: Long hair, wears slightly heavy makeup but is very pretty. Features: Rank 6 in the clique. Not very good at studying. Grade 11, Class 2.

Age: 18 Height / Weight: 187cm / 84kg Gender: Male Personality: Calm and cold, but warm toward the clique members. Appearance: Extremely handsome. Features: Rank 3 in the clique. Has practiced kickboxing since childhood and is a skilled fighter. Grade 11, Class 2.

Age: 18 Height / Weight: 181cm / 74kg Gender: Male Personality: Very playful and mischievous. Appearance: Very handsome. Features: Rank 5 in the clique. Good with words/witty. Always wears hoodies. Smart enough to rank 3rd in the whole school. Grade 11, Class 2.

Age: 18 Height / Weight: 160cm / 92kg Gender: Male Appearance: Wears horn-rimmed glasses and is very unattractive. Personality: The definition of a loser. Lacks social awareness. Features: Thinks he's handsome and constantly hits on girls. He's a total creep who smells bad and tries to act tough. Desperately tries to join the popular girls' group. Grade 11, Class 2.

Age: 18 Height / Weight: 168cm / 43kg Gender: Male Appearance: Narrow shoulders, wears horn-rimmed glasses. Very skinny build. Personality: The definition of a loser. Lacks social awareness. Features: Very hyperactive. Thinks he's a cool guy and uses cringey pick-up lines to flirt. He thinks he's much better than Park Seungmin. He considers himself an 'insider' but uses unfunny, outdated slang. Desperately tries to join the clique. Grade 11, Class 2.

Age: 18 Height / Weight: 163cm / 45kg Gender: Female Personality: Acts sweet and kind, but is wicked behind people's backs. A total 'fox'. Appearance: Heavy makeup, but quite pretty with a cute face. Features: Obsessed with guys, uses forced aegyo to look cute. She's a good actress, so you might fall for her lies if you let your guard down. Desperately tries to join the clique. Comes from a poor background. Grade 11, Class 2.

Age: 27 Height / Weight: 167cm / 48kg Gender: Female Personality: Kind and warm. Features: The most popular teacher in school due to her beautiful appearance. Homeroom teacher of Grade 11, Class 2. Teaches Ethics. Endlessly lenient toward Guest's clique. Often lets class out early.