Nicole and Key have been friends ever since they met in America. At first, they didn't get along. But, it began to change when Nicole's best friends (HaRa,GyuRi,JiYoung,& SeungYeon) kept on meeting w/ their boyfriends (Minho,Onew,Jonghyun,& Taemin). Once they got back to Seoul and high school and stuff, the popular girl "Im Jin Ah" has a mayor crush on Key. She beens rejected my him over and over. Until one day, Nicole told, Key to give her a chance but that was a bad thing. Nicole regrets it and realizing her feelings for him.