A picture of Super Junior's Dong Hae and f(x)'s Ember is drawing attention.

Dong Hae posted a picture on his twitter on December 12th with a comment "Thank you, f(x). Me and my Ember".

In the picture, Dong Hae is wearing red checkered shirt showing manly appeal. Amber is making cute face to a camera wearing a cap.

Especially, Dong Hae and Amber looking very similar in eyeline, nose, mouthline drew big public attention.

Netizens responded "Need DNA test", "True siblings?", "So cute together".