Earlier this week, f(x) members�Krystal and Amber unveiled their photo teasers for their upcoming album, and it's now�Sulli's turn! The girls are gearing up to drop their first official album, "Pinocchio", and have been garnering much attention through individual images that utilize bright, retro colors. Fans were delighted by how Sulli's bubbly personality shone through her teaser, and are anticipating her stage transformation. "Pinocchio" will be released on April 20th. Source: Sports Seoul via Naver