Which South Korean-Chinese boy group debuted in 2012, featuring the South Korean singer and actor whose real name is Kim Jun-myeon?
Suho Kim Jun-myeon (born (1991--) 22, 1991 ), better known by his stage name Suho (meaning "guardian" in Korean), is a South Korean singer and actor. He is a member and leader of the South Korean-Chinese boy group EXO and its sub-unit EXO-K.
Kim Ryeowook Kim Ryeo-wook (born June 21, 1987), better known by the mononym Ryeowook, is a South Korean singer and actor. He is a member of the South Korean boy band Super Junior and its subgroups, Super Junior-K.R.Y. and Super Junior-M. Along with four other Super Junior members, he is one of the first Korean artists to appear on Chinese postage stamps. He made his solo debut and released first solo album "The Little Prince" in 2016. He released his duet Cosmic with Bada in 23 September 2016 before he went for enlistment in 11 October 2016 .