Girl group LABOUM released the teaser for their new song, "What Will You Do."

They changed into tape dolls in the music video.

On October 27, LABOUM was in a dark teaser as dolls and moved along TO the sound of a clock winding.

From their debut song, "Pit-a-Pat," their teaser was a completely different mood and concept.

Their album will be released on November 3, and they are making a comeback on October 31 on KBS "Music Bank."