They say,

It feels great to have a bestfriend..

there's someone who will protect you..

there's someone who will make you happy..

but are you willing to risk the friendship 

.....in exchange for the love that you've always dreamed of?

STARRING

Sandara Park

Lee Donghae

Im Yoona

Kim Jaejoong

CREDITS TO THE REAL OWNER OF THE PICTURES