Jessica and Krystal are very close sisters

f(x)’s Krystal recently took pictures with her sister, SNSD’s Jessica.
On the 27th, Krystal posted pictures on her me2day account.
In the pictures, the sisters are posing closely together. They are making cute faces
with cup cakes in front of them. Jessica looks like she is going to kiss Krystal.
People responded: “They are beautiful. They are goddess sisters.” “I envy them.” “Both are pretty. Jung sisters!”