SEE ALSO: 2AM releases concept photos for 'NOCTURNE'!

"Just Stay" is a slow R&B style track by Ra.D and d.ear and expresses the crush of a man who is in love with a friend, who is having a difficult time because of her boyfriend.

2AM shared, "This is our first time pre-releasing a track. We feel a new kind of nervousness and excitement compared to how we feel during our official release... Ra.D's characteristically sweet emotions suit our voices well so please give it a lot of love."

Listen to the pre-release, "Just Stay", to get a taste of what 2AM have in store for their new mini album to be released on the 27th! The ballad idols will also hold their '2013 2AM CONCERT-NOCTURNE' at SK Olympic Handball Gymnasium on December 7-8!