Singer Sung Si Kyung has joined the lineup for ’1N2D‘ season two, and he’s hitting the gym in preparation for his first shoot. A representative from ’1N2D’ remarked, “Once we confirmed Sung Si Kyung as a new member of ’1N2D’, he began to thoroughly prepare for his first shoot. We heard that he’s working out on a regular basis, just in case a certain situation comes up on the show.” Read more on Allkpop.