Photos of f(x)'s Krystal in a school uniform have been revealed. Known to be the sister of SNSD's Jessica, Krystal has gained a lot of attention in the past for her good looks and exceptional skills in dancing and singing. These photos show Krystal in little makeup with straight long hair, resembling a normal student, like anyone else. People are wondering what the photos are for. Some have guessed it's for a movie and another felt it was for a music video but who knows? Netizens said, "What happened to the charismatic Krystal from the stage?" "Is Krystal starring in a movie?" "What is this from?" and "She's so innocent." The mystery will be uncovered on the 19th.