MAMAMOO's Wheein teases her highly-anticipated 1st album 'IN the Mood' with the release of the first mood poster teaser, leaving fans eagerly intrigued by the upcoming concept.

On September 23 at midnight KST, Wheein released the mood  poster where she is seen holding a burning butterfly cutout while standing in the dark. 

Wheein will be releasing her first full album on October 12 at 6 PM KST.