f(x)'s Krystal Teaser, Transforms Into Blue-Eyed Mystery Girl

f(x) Krystal's teaser photo was revealed.

On June 6, f(x) revealed teaser photos of Krystal through their official website, and SMTOWN Facebook, for their new album.
The teaser photos of each member is planned to be revealed orderly, starting with Krystal.

On June 5, f(x) revealed that their comeback will be coming soon, and revealed teaser photos of members wearing animal masks. f(x) with unimaginable creativity and style for their new album is garnering much attraction, increasing expectations for their comeback.

f(x) will be releasing their new mini album 'Electric Shock' on June 10 through iTunes and various music websites.