On April 29, f(x)’s Krystal shared photos of herself with sister Jessica (GirlsGeneration) on her me2day. She wrote, “We came out of our respective rooms and whoa. Telepathic striped JUNGs.”

In the photos, Krystal and Jessica pose for the camera, both dressed in matching stripes. Krystal wore a red-striped tee with black skinny jeans, while Jessica matched her black-striped dress with a red cardigan.

Netizens commented, “Soojung and Sica unnie are so pretty,” “Aww they think alike,” “Such great sisters. I don’t think they’ll ever fight,” and more.