Super Junior's Yesung unveiled the concept for his new song "Gray Paper" for the�SBS drama 'Wind Blows in Winter'�OST�alongside�Siwon.

Yesung shared a set of selcas on his Twitter and wrote, "'Gray Paper' concept�Y & S ^^ 'Gray Paper' live will air on this week's 'Inkigayo'�GoGo !!"

The photos show Yesung donning an all gray suit and hairstyle to match the dark, sorrowful emotions of the ballad song. "Gray Paper" is described as a pop ballad that portrays the sad love between�Oh Soo (Jo In Sung) and�Oh Young (Song Hye Gyo) with the help of Yesung's soft vocals and producer Kangta's emotion-packed lyrics. It also serves as one of the main theme songs of the drama�and topped real-time search engines immediately upon its release.

Catch Yesung's live performance of "Gray Paper" on 'Inkigayo' on the 17th!

Source & Image(s): Yesung's Twitter