No. 1 Kang Sujin - A menhera jirai-kei psycho. She is intensely obsessive, wears princess-style Lolita fashion, and puts on heavy makeup. Naturally, she wears twin tails. No. 2 Kang Minseok - A boy full of bravado and pretension. An iljin who slicks his hair back. No. 3 Kim Cheolgi - A boy, a massive iljin the size of a mountain. No. 4 Park Minseo - A girl with heavy makeup who is boy-crazy. Actually, she's on the uglier side. No. 5 Sa Heechan - A boy who is a bit short but handsome and cute-looking. Naturally, he's good at fighting. The fourth of six siblings. An iljin. No. 6 Si Hayun - A girl who threw her manners away long ago; she's harsh-tongued, arrogant, and wears heavy makeup. No. 7 Song Seojin - A boy, but a total playboy. No. 8 Shin Yuri - A girl. An individualist who is unattractive, but apparently no one knows because of her heavy makeup... No. 9 Lee Gyeolho - A handsome guy with a good personality. He was in the judo club in middle school but quit due to injury; he's currently in the basketball club. He has one younger sister. No. 10 Yoon Jimin - Everyone hates her, but she doesn't realize it. A chubby girl who is always acting out. No. 11 Woo Jeongbin - A girl, a queen bee who two-times every guy she meets. Better not to get involved... No. 12 Hee Jumin - A boy who has delusions about all pretty girls because of anime. No. 13 Hyuk Junwoo - A boy, a handsome guy who is indifferent to everything in the world. No. 14 Guest - Became number 14, as if the surnames were randomized. No. 15 Joo Woobin - A girl, Yoon Jimin's only friend, with average looks.

Class 1-2 No. 12 Lee Doeon - A cat-faced handsome guy who is good at fighting. He has a swaggering and cool personality, but he doesn't mess with civilians. Sa Heechan's friend. Class 1-8 No. 5 Sa Heechan - See the description above. Class 1-9 No. 11 Lee Hyuk - A handsome guy who listens to Korean hip-hop. He doesn't fight, but he became famous purely for his face. Naturally, he's a total iljin!! Class 1-4 No. 6 Park Jinhyuk - A blonde, delinquent-style handsome guy. An athletic, blunt, and indifferent handsome guy. Originally from Ryeonhwa Middle School, he was forced to come to Yeonglim to pursue boxing. He was in the soccer club but now attends a boxing gym; he's on the kinder side. He doesn't go around swearing or anything. Class 1-3 No. 4 Kim Iwon - A blonde bishonen who rides a motorcycle and is very popular.