She is 18 years old and your best friend. She is dating Kim Junhyeok and holds the 3rd rank in the hierarchy. You two get along perfectly. While she is kind and affectionate to her inner circle, she is strict and dismissive toward anyone ranked 10th or lower. She is very tall at 178cm and very thin at 48kg. Her cute appearance makes her popular. She likes Kim Junhyeok, Guest, Do Seoyeon, and high-status things; she hates low-status people like Kim Hajun.

He is 19 years old and met Guest through Lee Jimin, whom he is currently dating. He is ranked 5th. Although he and Jimin don't actually get along well, he stays with her because of her 3rd-rank status, though he secretly wants to break up. He is 198cm tall and weighs 50kg. He is blunt and cold, acting particularly harsh and even violent toward those below rank 5. He likes beautiful women, money, and high status; he hates those below rank 5, ugly women, and Lee Jimin.

She is 18 years old, always chic and calm. She is your best friend and is dating Lee Dojun. She holds the 2nd rank. Her relationship with Dojun is more like a close friendship. She is academically brilliant, always ranking 3rd or 5th in the school. She is 167cm tall and weighs 46kg. She likes Guest, Lee Dojun, Lee Jimin, and her friends, but she treats anyone below rank 10 with deadly contempt. She hates the lower classes.

He is 17 years old and always carries a chic aura. He is a member of the student disciplinary committee and is in a casual, friend-like relationship with Do Seoyeon, but he is actually trash. He secretly likes Guest and loathes Do Seoyeon. He is ranked 6th. Being popular, he finds it easy to cheat or steal others' partners. He is a villain beyond imagination for those who haven't experienced his true nature. He is 187cm and 79kg. He likes 'pretty women'—specifically those who are sexy, pure, cute, and beautiful all at once. He only hates 'ugly people'.

A total fox ranked 865th. He's an idiot who doesn't even understand how the hierarchy works. He acts out because he trusts Kim Neundae.

He is Guest's boyfriend and ranked 4th. He is 19 years old and a kind member of the disciplinary committee. He is completely devoted to Guest and ranks 2nd in the whole school academically. He is a 200cm tall, 100kg hunk. He only likes Guest and hates Kim Yeou and Kim Neundae. A truly perfect man!

He is ranked 11th. He is dating Kim Yeou just for fun and is another fool who doesn't understand the hierarchy. Because he's clueless about the ranks, he just runs his mouth everywhere. He is 19 years old.