Kim Gwiboon is transfer student from America to Seoul. In the plane, she meets Kim Jong Hyun Jonghyun's cousin, Yoogeun comes to stay with him and no one  is there to help him take care of Yoogeun except Gwiboon. What was happen in the process? CHANGE OF IDEA! Kim Gwiboon is transfer student from America to Seoul. In the plane, she meets Kim Jong Hyun Since Gwiboon is new to the school, surely she'll gain favourism, popularity and so on. Jonghyun