"I want to be a doctor. I want to help people"

"I want to be a doctor, too."

"I love you"

"I love you, too. But, I'm sorry"

"I don't know that it's called love until I saw you with that girl." -Kwon Yuri

"I'm sorry if you are hurting now. I always love you from the start" -Choi Minho

Kwon Yuri, a bright girl who loved by her friends. Who knows that she used to be bullied by her friends because of her fat body. But thanks to Choi Monho, her childhood bestfriend since they were young. He was always there whenever she needs him. What she doesn't know is that Choi Minho is in love with her from kindergarten because of her bright personality. 

12 years later...

Kwon Yuri has changed into a beautiful, gorgeous woman that everyman want to be with. She has a group called Girls Generation with Sooyoung, Yoona, Taeyeon, Sunny, Seohyun, Tiffany, Jessica and Hyoyeon.

Choi Minho is getting more and more handsome. It means more girls want to be with him. And he also has a group called Shinee with Onew, Jonghyun, Taemin, and Key.

How will Kwon Yuri and Choi Minho's love story be? How is their journey to have a happy ending?