The song "Hot Shot" was released on September 16 as a teaser for the album.

The repackaged album comes with a DVD, a 40-pages photobook, a calendar with 12 pages, 4 autographed cards by the girls and a poster.

The members hope to convey their thoughts to the public through music.

Promotions for the song "Cleansing Cream" started in November 4, on Music Bank.

The title track "Sixth Sense" debuted atop the spot of the Gaon Single Chart with 511,798 downloads in its first week of release.