Best We The Boyz! Hello, I am Sangyeon!
Lee Sang-yeon (이상연) is the Leader and Lead Vocalist of The Boyz, a 11-member boy group under IST Entertainment. Sangyeon is considered by everyone as the father of the group. Aside from singing, his specialty is also songwriting.
He debuted as the leader of The Boyz on December 6, 2017 with the lead single "Boy" from their debut EP The First.