Bolbbalgan4 is gearing up for a comeback!
On October 17 KST, Shofar Music unveiled the first batch of concept teasers for the upcoming single album 'Butterfly Effect,' featuring a title track of the same name and B-side "You Were My World." In the images, Bolbbalgan4's Ahn Ji Young is seen in a number of different settings, spending time alone at home in deep contemplation.
Meanwhile, 'Butterfly Effect' is set for release on October 26.
Check out the images below!