BTOB's Changsub has unveiled the MV teaser for his special single.

In this teaser, performers dance to a soothing music that ends with Changsub's strong and mysterious vocals. What is Changsub up to at the end of the video? Check out the previously revealed audio snippet teaser if you haven't yet.

Changsub's special single, 'Reissue #001 'SURRENDER,'' will be released online on September 6 KST. Stay tuned!