مدرسه ای

To get a boy from her past to leave her alone, Kim Yeon Do uploads a photo of a random guy claiming him to be her boyfriend. However, she does not realize the photo she chose was of bad boy student Ji Hyun Ho. When she ends up spending more time with him to make it up, she realizes that people have a lot more to them than what she sees.

The story about two sixteen years old, a talented girl and her favorite boyfriend. They both did experiments, worked on a paper, and won an award in mathematical modeling together. The pair went to San Francisco to study abroad, but through some misunderstanding, they separate. Will they find their way back to each other or find new love somewhere else?