On July 1, the album jacket photo as well as the release date of their new mini-album was revealed.

[2] The group made a comeback performance with their title track Action on Mnet's M Countdown at its July 12 episode.

On August 2, 2012, it was announced that the group would conclude promotions for Action and will continue with their third single, Not Over You.

[8] The EP entered at number 8 on the chart for the month of July 2012, with 15,564 physical copies sold.

[12] In May 2017, five years after its released, the EP re-enter the chart at number 52 with other 4 albums from the group.