BTS' J-Hope will make a guest appearance on Tving's original show "DNAcers," the streaming service said Friday. The rapper-dancer will make a surprise appearance as a messenger to give missions to the participants of the dance battle show. Tving's original show, set to premiere Monday, features competitions taking place in Las Vegas, among some of the world's best dancers. J-Hope, who is currently serving his mandatory military service, will unveil a new album and a documentary about street dance next month.