Guardian: The Lonely and Great God starred what BtoB boy group member?
Yook Sung-jae Yook Sung-jae (; born (1995--) 2, 1995 ) is a South Korean singer, actor and host. He is a member of the boy group BtoB and its sub-group, BtoB Blue. Aside from his group's activities, Yook is known for acting in television dramas, "" (2015), "" (2015) and "" (2016).
Xiumin Kim Min-seok (born (1990--) 26, 1990 ), better known by his stage name Xiumin, is a South Korean singer and actor. He is best known as a member of the South Korean-Chinese boy group EXO, its sub-group EXO-M, and its sub-unit EXO-CBX.