Kara. It was released on September 29, 2010 in Japan in 2 editions: CD+DVD and CD only.[1]
Background
The album contain all singles from 2007 to 2010 and some songs from their albums Rock U, Pretty Girl, Revolution and Lupin. On October 1, 2010, it was announced on their official Japanese website on that the album will include a bonus. The group gave photographs to the applicants to show their gratitude. Among those applicants, 10 were chosen via lottery to attend a meet & greet session on October 15, 2010.[2]
Chart performance
The album debuted at number two on the Oricon Daily Chart selling 18,223 copies. This marked the best achievement by a South Korean girl group for a full album in Japan at that time.[3] On October 5, 2010, the album ranked number-two on the Oricon Weekly Chart selling over 51,000 copies, making it the first South Korean girl group album to enter Top 10 on Oricon.