[3] On October 24, DSP Media announced on the group's official website that their second Japanese full-length album is slated for release on November 23.

The following day, album covers and track list were unveiled on the group's official homepage by Universal Music Japan.

[8] The album continued its consistent sales throughout its first week and was certified platinum on the sixth day of its release with 259,602 copies sold.

With this achievement, the girls has become the newest foreign female group to dominate both the single and album rankings in over a year.

The record was previously set over 30 years ago by The Nolans with their single, "I'm in the Mood for Dancing", and the LP, "Gotta Pull Myself Together".

Additionally, the girls have set a new record for their first week sales, and has become the top selling foreign female group of 2011.

Their sales have surpassed fellow South Korean group SNSD's debut album Girls' Generation which sold 232,000 copies on its first week.