Girl's Day agency announces on 8th that the group's upcoming comeback album will be released in a form of card type smart album through Kino, claiming to be the 1st in the world.Moreover, Girl's Day are releasing a new ballad song along with four previously released ballad tracks titled "Show You","Look At Me","I Don't Mind", and "White Day".All promotional contents such as MV, concept images, and track will be accessed through the use Kino Smart Music Card. According to the agency, "Releasing their new song, images, single, and MV through Kino is a special gift of Girl's Day to their fans. This is our first attempt so we are anticipating positive response.Meanwhile, Girl's Day ballad song which is a work of Duble Sidekick will be released on 15.