Sun-hee

Sun-hee Yoon (윤선희) was born on June 1, 2001 in Gunsan, South Korea. She is the oldest of three girls. Yoon spent a majority of her life in Gunsan before joining YV Entertainment when she was 15. After training there for 4 years and never debuting, she left the company and signed with Bolt Entertainment where she debuted with the girl group, ONYX in December 2020. She is now known for her dancing and vocals in the group. She is also known for her close friendship with fellow Gunsan native, S4's Myeong A Gim.

She is fluent in both English and Korean.

Media Appearances
Harper's Bazaar Korea (print) - January 2021

Dazed Japan (print) - January 2021

Vogue Singapore (print) - March 2021

Vogue Korea (with Park Jin-young) - October 2021