Yoonchae is a South Korean singer and dancer who performs in the girl group Katseye. Yoonchae competed in the 2023 reality show The Debut: Dream Academyand its accompanying Netflix documentary series Pop Star Academy: KATSEYE. The show, a joint venture between Hybe and Geffen Records, selected Katseye's final lineup from over 120,000 applicants through performance-based missions. Yoonchae's fluency in Korean and English helps her connect with fans globally. 