Super Junior's duo, Eunhyuk and Donghae, is going to release a new single title 'Still I'.

In contrary to their previous releases, the song this time is going to be a mellow song with acoustic and urban feel in which Donghae participated in composing and writing the lyrics.

In regards to that, a black and white teaser photo of Eunhyuk and Donghae has been released as well.

The two are going to show their emotional side to their fans by performing this song on their Treasure Island concert on December 28 and 29. The song will be released online on December 18.