EXO Baekhyun appearance on variety show "Master Key", first broadcast today. Twelve stars including WANNA ONE Kang Daniel, Ong Sung Woo, B1A4 Jin Young, ASTRO Cha Une and others also participated. In order to open a prize box, players must find a person with the master key. Twelve players using advanced psychological warfare to search. Tonight at 6:10, SBS.