September and October seems to be the comeback season for SM Entertainment artists.
Not only Taeyeon from Girls' Generation, f(x), Super Junior and TaeTiSeo are coming back but also Tiffany is debuting her solo career.
In the middle of these releases is Kyuhyun's second solo album marking his comeback to his solo career. Kyuhyun debuted back in November 2014 with the mini-album At Gwanghamun. More details about this and other comebacks/debuts from SM Entertainment are expected near their release date.