Two songs from the album were pre-released as digital singles. "The Lone Duckling" was released on May 7, 2014. All proceeds from the song were donated to those affected by the Sewol ferry accident. "Sky Blue Balloon" was released at noon on July 1 (KST). The music videos for "Sky Blue Promise", "Saturday Night" and "The Story of Our Lives" were uploaded on YouTube by CJ E&amp;M and each has since recorded over a million views. The full album was released at midnight (KST) on July 8.