A young girl, Choi Chaeyeon, who's been in love with her childhood friend, Niel, finds out he has a girlfriend. Then one day she meets an unexpected guy, L.Joe, who is now claiming her as his girlfriend. What will happen to her? Will she fall for the unexpected stranger? 

Kim EunMi, an 18 year old girl, wasn't really the girl who would fall for SHINee'sJonghyun, 19 year old. I know she's weird right but little does she know that Jonghyun is falling for her. She says she'll never fall for him but let's just find out what happens. It was because that one high school day happened.

It started with a "Hello" and that's how everything began. SHINee wants to write a song but apparently they don't have any ideas on what to write about... That is until one of them says they should write about a girl they like. That also brings another problem because none of them has a special girl they like. So what'll happen now? Will they be able to write a song?

Lee HyeMi, 17, has a childhood friend who has been looking for her after she moved. He missed her so much that he kept her every present every birthday and Christmas present. Will he be able to give her, her gifts? What will she do when she sees him? Will they be reunited?