Choi Krystel and Kai were best friend. The two of them had been falling in love with each other. But the two of them was very shy to confess their feelings to each other. They promise to each other. If they can keep their promises. Let's see what will happen to the two of them. please don't copy the story , ask me ^^ please vote, comment and follow . mostly don't forget Support ^_^ All Rights Reserved Copyright ©UrFamous