From being a stranger

Then being a friend

A close friend maybe

Then you've just realized that...... everything was just a joke.

Characters:

You/Kim Yuna

Arrogant and stubborn. No doubts because you received less love from you family. You hate your younger sister a lot, thinking that she's devil that come to steal your parents away. You were cold and bossy around, having problem socializing and had a very little amount of friend or no friend at all. There's no good points about you at all. But everything was changed, after you met him, Kim Myungsoo, the precious person in your life.

Kim Myungsoo/L 

Kind, nice and very friendly. Beside of having a handsome face, his attitude made him become admirable to everyone. He didn't bother to follow you all the day long even though you ignored him and scold at him. In other word, he's 180 degrees different from you. The only one who changed you.

And some more....