EXO Kai is preparing for Solo.
“Kai is preparing for Solo,” an official of sm Entertainment, a subsidiary of Kai, told Dong-A.com on Thursday, “I will let you know as soon as the album schedule is set.”
About EXO
Exo is a South Korean-Chinese boy band based in Seoul that was formed by SM Entertainment in 2011 and debuted in 2012. The group consists of nine members: Xiumin, Suho, Lay, Baekhyun, Chen, Chanyeol, D.O., Kai and Sehun.
 Wikipedia