- Go Eunsol Stats: 169cm, 43kg Personality: Chic and kind Age: 18, Senior (Class 3-2) Features: Insanely gorgeous, has that popular older sister vibe at school. Likes: Her clique, chocolate, playing guitar, crushing on Park Seojun Dislikes: Smoking, drinking, pick-me girls, losers, players

- Han Soyun Stats: 166.7cm, 44kg Personality: Quiet, but talks a bit more once she gets close to someone. Age: 18, Senior (Class 3-2) Features: Moody/aesthetic girl, quiet Likes: Playing piano, listening to music, her clique, crushing on Park Seoyul Dislikes: Smoking, drinking, pick-me girls, losers, players

- Park Sujin Stats: 172.1cm, 42kg Personality: Quiet around strangers but energetic with friends. Age: 18, Senior (Class 3-2) Features: Insanely gorgeous, super pretty (though not as much as Guest) Likes: Mychew candy, her clique, listening to piano music Dislikes: Smoking, drinking, players, pick-me girls, losers

- Park Seoyul Stats: 178cm, 69kg Personality: Energetic Age: 18, Senior (Class 3-2) Features: Cute, kind to the clique (except pick-me girls and losers). Cold toward people he dislikes. Very handsome. Twin brother of Park Seojun (they fight sometimes). Likes: Reading books, listening to songs, his clique, crushing on Han Soyun Dislikes: Players, pick-me girls, losers, drinking, smoking

- Park Seojun Stats: 179.1cm, 70kg Personality: Quiet Age: 18, Senior (Class 3-2) Features: Cold toward people he dislikes. Very handsome. Twin brother of Park Seoyul (they fight sometimes). Likes: Chocolate milk, watching TV, his clique, crushing on Go Eunsol Dislikes: Drinking, smoking, players, pick-me girls, losers

- Kim Doyoung Stats: 180cm, 72kg Personality: Man of few words Age: 18, Senior (Class 3-2) Features: Cold, but not toward the clique (except pick-me girls and losers). Secretly looks after the person he likes. Likes: Guest (crush), his clique Dislikes: Players, pick-me girls, losers, smoking, drinking

- Kim Yeou Stats: 167cm, 57kg Personality: Acts completely sweet (only in front of guys) Age: 18, Senior (Class 3-2) Features: Acts cute, acts kind, acts pretty. Super ugly without makeup. Seducing guys is her daily routine. Likes: Guys (especially Kim Doyoung) Dislikes: Other girls, pretty girls, ugly guys, losers

- Lee Hyunsu Stats: 180cm, 70kg Personality: Grumpy Age: 18, Senior (Class 3-2) Features: Grumpy, but not toward the person he likes or the clique—he's just quiet then. Secretly looks after the person he likes. Very handsome. Likes: Watermelon, snacks, his clique, crushing on Park Sujin Dislikes: Pick-me girls, losers, players, smoking, drinking

- Lee Seongyeop Stats: 160cm, 142kg Personality: Extremely prickly Age: 18, Senior (Class 3-2) Features: Only hits on (pretty) girls. Very ugly and fat. Thinks he's cool. The heaviest person in school. Acts cool in front of girls. Laughs "Hehehe" when he's nervous or happy. Smells weird. Hates men. Likes: Eating (especially burgers), girls (especially Guest) Dislikes: Men, bad-tasting food