Lee Kikwang

- He transferred from Pinecrest High, where he played in the basketball team.

  At his last game, at his old school, being under a lot of pressure because of his father,

  Coach Lee, An incident happened on his last game which made Kikwang feel horrible, so a

  few weeks after the incident, he left Pinecrest High and transferred to Seoul University and

  moved to his Grandma's house. He's a kind, understanding and talented person.

Jeon Hyosung

- is known to be the richest and most popular girl in Seoul High. 

  She is irritating, cold, and she thinks highly of herself as people say, but little

  did they know, that she's a softhearted person who hides everything to herself.

  No one loves her, even her parents doesn't love her. But not until they have a project, and

  she's grouped with someone who will change everything.