Previously, BTOB's Changsub released concept photos for his special single 'reissue #001 'SURRENDER.''

Then on September 2 at midnight KST, the singer released an audio snippet teaser giving a sneak peek of his newest single. The audio snippet includes an abstract video that shows the title of the single along with the release date.

The special single 'Reissue #001 'SURRENDER'' will be released online on September 6 KST. So stay tuned for just four more days.