Choi Siwon , a guy who never smile and has a well-built body. He looks down on females and thinks they are just a bunch of useless people who try to attract attention. No one ever had seen him smile. He is also known as The Repel Guy, In addition, Siwon came from a rich family and he is one of the Kingka in the school along with his friend, Cho Kyuhyun.

Cho Kyuhyun ,  a guy who always bully other students, making himself known as The Bully Guy. Kyuhyun also came from a rich family and just like Siwon, he looks down on almost every females, thinking that they are just a bunch of useless people. Kyuhyun is known for his Game Addict attitude that sometimes, he sneakily plays game during class. He is a friend of his fellow Kingka, Siwon and other members.

Park Yeonghee , a girl with ordinary family. She is not rich and not poor. She has enough to live. Yeonghee is known for her pure and innocent appearance but also her mystery life. No one know much about her life. To everyone around her, it seem like she is living in a mystery world. Only her family and she, herself know. Yeonghee is also known for her smartness and hardwork in school that make almost every teachers in the school adore her. Yeonghee studied at Kirin College but transfered to Seoul College according to her parent's demand.

Tiffany Hwang , an American-Korean girl who only has her father and sibling and her 8 sisters by her side. Tiffany loses her mother since she was 16. Tiffany is one of the Queenka, Girls' Generation, whose known as the angels of the college. Her group sometimes bully the others too, the others who dared to mess up with them.

♦ WHAT WILL HAPPEN WHEN THESE FOUR PEOPLE MEET ? ♦