An old Korean commercial for Lotte Green Tea featuring actress Han Ga-in and child star Krystal. The later recently made her singing début with pop group f(x).
Netizens are busy digging out old videos (CF, MV etc.) featuring Krystal and another f(x) member, Sulli, who was also a child star. The five member girl group made their début earlier this month with single LA chA TA.