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).
Chen (singer) Kim Jong-dae (born September 21, 1992), better known by his stage name Chen, is a South Korean singer-songwriter and actor. He is a member of the South Korean-Chinese boy group EXO and its sub-unit EXO-CBX, as well as S.M Entertainment's ballad group SM the Ballad.