He wasn't well, and she didn't understand why. He was supposed to be happy, they both were. After that day, but he's not. He was sick. But what can she do? They're no longer a part of each other's life.

So what had happened after Jonghyun and Tia became a couple?

  There are five steps in falling in love. Love their looks. Love their heart. Love their worth. Love their love. And love them for eternity.  

One of the first parts of an introduction is to know someone's birthday. Matsua Yuya didn't want to get to know her, he thought that as soon as he debut came, she would no longer be a part of his life. He was wrong. And he should have accepted that.

They liked each other and wanted each other. Feelings were mutual and they were destined to meet and be together. But they were also meant to be torn apart by the hands of time and fate.

To Jonghyun, she was the most beautiful person in the world and no one could ever take his heart except her. It's a shame she's Key's girlfriend.