JYJ's Junsu will be making his comeback with a ballad track.

C-Jes Entertainment announced on October 6th,"The title track for Junsu's new mini album on October 19th has been confirmed to be "Definite Yesterday". The song contains lyrical melody and lyrics which fit well with Junsu's emotional voice. We have finished the preparations for the song to mark the begining of autumn".

In addition, it was revealed that indie singer/songwriter Lucia is the creator behind the song, which has raised the excitement of the fans towards the song release even more.

Don't miss the release of "Definitely Yesterday' as well as Junsu's new mini album on October 19th.