EXO is the Chinese-South Korean boy band that debuted under S.M. Entertainment in April of 2012. EXO consists of two subgroups, EXO-K and EXO-M, which sings in Korean and Mandarin, respectively. Every member of EXO-K is Korean. 4/6 of the EXO-M members (Kris, Tao, Lu Han, and Lay) are Chinese while 2/6 of the members (Xiumin and Chen) are Korean. EXO-K and EXO-M promote the same songs (but in different languages!) at the same time. K promotes in Korea while M promotes in mainland China.
