Kevin

He is a rich boy.

The school musn't know that he's rich, because if he does tell them, the maffia is going to chase him.

The only girl that knows his secret is HyunA, his ex-girlfriend.

(You) Lee Mina

A quiet, nerdy girl.

You're parents are very poor.

You like Kevin.

Sulli

Your best friend.

She is a cute girl who stands up for you against the queenka's.

Lee Teamin

He is your brother.

He looks cute, but he is very posessive towards you.

He has a sister complex.

Yesung

He is your childhood friend.

He secretly loves you.

Ukiss

They are Kevin's friends. They are the kingka's of the school together with Shinee and Super Junior.

Shinee

Your friends and the kingka's together with Ukiss and Super Junior.

Super Junior

They are the kingka's together with Ukiss and Shinee.

4Minute

They are the queenka's of the school.

HyunA is the ex-girlfriend of Kevin.