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.
Acting
November 4 1996
Seoul, South Korea
![2020 THE BOYZ Online Concert [RE:AL]](https://image.tmdb.org/t/p/w500//lZi3lGoMzmJzq4KirNQK6GDKvrb.jpg)
