Lee Chaeyeon and Miyawaki Sakura are best friends that are really close and everyone know about their friendship.Chaeyeon is always make her happy whenever Sakura sad.She also always help Sakura when the girl have a problem.Easy to say that,Chaeyeon will always be there for Sakura.One day,Sakura come to the dorm that she share with Chaeyeon crying because of a man.Since that day,Chaeyeon promised to herself that she will protect Sakura no matter what happen.But what Sakura didn't know is that