SNSD's Jessica cheers on her little sister, f(x)'s Krystal

It has been revealed that SNSD's Jessica has been rooting on her little sister, Krystal. On April 22nd, f(x) had their first comeback stage on KBS Music Bank with "Gangsta Boy" and "Pinocchio." On their first day of their comeback, Jessica was backstage in the waiting room.


An official said, "Jessica came to cheer on f(x)'s Krystal herself. She was in the waiting room during the stage recording and was cheering as she watched."

Jessica has been busy with her Japanese activities as SNSD are preparing to release their original single, "Mr. Taxi." Despite being busy, Jessica took the time to show her sister her love and support.

It has been a year since f(x)'s last music release with "Nu ABO." f(x) has been topping online charts since their full-length album release of "Pinocchio."