Sunday, September 3, 2017 
G-Friend revealed teaser images for Yerin and Sowon ahead of the 5th mini repackaged album release.
In the teaser images, Yerin is seen smiling for the camera in her blue and pink dress as she looks out onto the train tracks. Sowon, on the other hand, is seen on the street and in a dark room as she poses for the camera while looking indifferent. Check out all the amazing teaser photos below!
SEE ALSO: G-Friend drop 'Summer Rain' mood teaser video
Stay tuned for the full release of 'Rainbow' on September 13.
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