Sunmi released more teasers for her solo comeback.
It is now D-4 till the full release of Sunmi's new album 'Warning' with the title track "Siren". The idol continues to tease for the big day with a photo and a video. In the MV teaser, Sunmi is captured looking at herself in the mirror and then getting alerted by the siren.
Check out the newest teasers and get ready for 'Warning' releasing on September 4!