Lee Sang-yeon (이상연; born November 4, 1996), known mononymously as Sangyeon (상연), is a South Korean singer-songwriter under One Hundred Label. He is the leader of the boy group THE BOYZ.
After the events of Adventure Camp, 14 new contestants has to live a few weeks in summer camp to win a million dollars (similar to the the original total drama show). Whoever stays the longest wins.
