It was released by Duble Kick Entertainment and distributed by Kakao M on January 3, 2018.

For the extended play, Momoland worked with a variety of producers including Shinsadong Tiger, Monster Factory, Pinkmoon and Beverly Kidz.

consists of six tracks including the single "Bboom Bboom" and its instrumental, three other new tracks and the instrumental version of the previously released single "Wonderful Love" (EDM ver.).

To promote the extended play, the group performed on several South Korean music show programs, such as M Countdown and Inkigayo.

In South Korea, the extended play debuted at number twenty-nine on the Gaon Album Chart for the week ending January 6, 2018.