Having done themselves proud with a winning "Pinocchio" run, the f(x) girls are back once more with follow-up promotions for their latest title track, "Hot Summer", to keep you cool during this hot summer! "Hot Summer" is a dance pop track from their repackaged album, and it has an intense synthesized sound and beat, telling the story of girls who find romance in the days of summer. Check out their follow-up stage on M! Countdown below!