Marians Academy is a school only for rich people. Lee Sungmin is a transfer student at  Marians Academy. She is the daughter of one of the most richest bussiness man in the world. Her parents are always busy but they always give time to their cute daughter. Lee Sungmin is a cute kind hearted girl, she is friends with Lee Donghae. Hae is also rich like Sungmin, she studies at Marians Academy so she's expecting Sungmin there. Lee Donghae or Hae have a crush on Lee

Cho Kyuhyun has never lost a bet with his best friend-until now. His punishment? Make a girl in school fall for him and then break up with her just as she's fallen for him. But who would be oblivious enough to fall for that? Her Enter Lee Sungmin-quiet, brainy. And unassuming-the perfect pawn for thier game. And for Kyuhyun that's all it is-a game. But is it? Kyuhyun finds out the Sungmin is quite more that he bargained for. Perhaps he has her figured out all wrong. The real qu