BoA and Kim Sun Ah an unexpected pair "BoA who always encourages is the best!"

Actress Kim Sun Ah showed off her bond with BoA.

On the 3rd she posted on her me2day "I should have stepped back a little! BoA who always monitors and encourages me is the best! You are always No.1 you look good these days", along with a photo.

In the revealed photo are Kim Sun Ah and BoA wrapped around in a scarf and a hat. The two's unexpected relationship is receiving the attention of the netizens.

Those who saw the photo commented "you two are #1", "both so pretty", "crazy social network" and etc...

Photo Credit: Kim Sun Ah me2day