Girl group KISS OF LIFE has unveiled a dreamy MV teaser for "R.E.M". 

The teaser captures playful, relaxing moments of four girls enjoying their youth, before concluding with a mysterious shadow falling over member Haneul. "R.E.M", a pre-release single leading up to KISS OF LIFE's 3rd mini album 'Lose Yourself', will be out on October 4 at 6 PM KST. 

The group's full comeback with the release of 'Lose Yourself' and its title track "Get Loud" is coming up on October 15 at 6 PM KST. 

SEE ALSO: KISS OF LIFE rolls out more fantastical teaser photos for their upcoming mini-album, 'Lose Yourself'