in august 2016, baekhyun made his acting debut on the small screen in the historical drama "", a south korean adaptation of the chinese novel "bu bu jing xin". for his performance in the drama, received a prize like new star in 2016 sbs drama awards. he also collaborated with his labelmates chen and xiumin on a soundtrack titled "for you" for the drama. in october 2016, along with chen and xiumin, baekhyun became a member of the first official exo unit, exo-cbx. his debut was on october 31 with the release of the extended play "hey mama!". in november 2016, baekhyun began to participate s.m. entertainment's "league of legends" tournament "2016 s.m. super celeb league", where he and his labelmate, heechul, played with professional players and fans from china and south korea.