OH MY GIRL to release a greatest hits album, including popular songs such as "Dun Dun Dance," "Dolphin," and "Nonstop." This edition consists of three discs. Disc 1 includes leading tracks, Japanese versions of their popular songs, anime tie-up songs, and more. Disc 2 includes Korean versions of the songs included in the disc 1. Disc 3 includes Japanese original songs . Comes with two trading cards randomly selected from 14 kinds.