f(x)'s Krystal continues to reveal old photos.
She updated her Me2day again on the 13th of October with new photos.
She said,"Another old picture...was eating Sulli".
Krystal and Amber are seen posing cutely at the back of Sulli,opening their mouths wide in the 2nd photo to "eat" her.
Cute girls ^ ^
Photo Source: Krystal's Me2day