Hyein was born on April 21, 2008, and she debuted with NewJeans on August 1, 2022. At that time, she was 14 years old because her birthday had already passed earlier in the year.
NewJeans is a South Korean girl group formed by ADOR, a part of Hybe Corporation, and it includes five members: Minji, Hanni, Danielle, Haerin, and Hyein. The group’s debut was very successful, and they quickly gained popularity with their unique music style.
Hyein was the youngest member of NewJeans when they debuted, and she had already gained some experience in the entertainment industry before joining the group. She was part of a kid K-pop group called U.SSO Girl and also appeared in a YouTube program called BoniHani.