SEE ALSO: WINNER perform acoustic version of 'Color Ring' for 1theK's new 'PRIME' series

This is part of 1theK's new 'PRIME' series, which is apparently made up of 4 parts that will include performances, interview, and mini fan meetings. WINNER crooned a live acoustic version of "Color Ring" for the 1st episode, a performance version of "Empty" for the 2nd episode, and will feature in a 3rd episode which will be released on September 2.

Check out their soft and sexy performance of "Empty"!