In between Joe Elliott and Yuju, who was a South Korean singer?
Yuju (singer) Choi Yu-na (born October 4, 1997), better known by her stage name Yuju, is a South Korean singer. She is best known as the main vocalist of the South Korean girl group GFriend.
Eru (singer) Jo Sung-hyun (born July 5, 1983) better known as by his stage name Eru, is an American singer, musician, and composer based in South Korea.