Flipped

One day, I love you.
The next day, not anymore??
You will know the importance of something when its already late...
That's what happened to Edward..
Yoona love him so much, she takes care of him , says I love you to him everday.
Bu everything changed when Yoona had an amnesia because of an accident.
She forgets about everything, her family, her childhood, and especially she forgets about Edward..
What will happen to Edward? He just realized that he also love Yoona, But its already late.
Will they still have their happy ever after?