Park Shin Hye revealed a picture she took with Yoon Si Yoon.

On monday, she uploaded her Twitter and said, "during Christmas eve and Christmas, when everyone was having good holidays, I was with Que Geum! We're leaving to a vacation in Gang Won Do! Are you curious? If you are, 50 cents! Not that, but watch it tonight at 11 PM on tvN."

In the picture, Park Shin Hye appeared sleepy and Yoon Si Yoon looked as if he had a secret. They gained the attention of viewers with their charm in the drama.

Netizens commented, "they look good together," "they spent Christmas together?"

Their still cut made viewers wonder how their relationship will develop in the drama "Flower Boy Next Door."