Main Char:YOU (as) Jung Na Yeong; Song Joong Ki ; Lee Jong Suk ; Joo Won. You're a cute, sweet girl who've mediocre skill--not so good and not so bad at doin' anything-- and kind of shy one.

In this world, there are only 2 types of people: The bad one, or the good one. Here's story where the bad one, realy, really the worst one, who have a cold heart, fake smile, but also a handsome face meets the good one, who is very kind and beautiful, but actually she's a loner and.. kinda gloomy.