Having released a series of concept photos for their upcoming comeback, rookie group D-NA (Dae Guk Nam Ah) took another closer step to making a comeback with the release of their teaser for their comeback album, Awake. Open World Entertainment revealed that the D-NA boys will be returning with a new image, and their concept of Awake is a recognition of their change from cute boys to men with a rebellious charm. Their title song has also been decided as a electronic sound dance song, Stumble Stumble. Check out their album teaser first below. http://www.youtube.com/watch?v=au3tQTYkKYc The full mini album will be released on June 17 and on the 16th, the boys will be holding a showcase. They will begin full-fledged promotions thereafter.