YSY

Actor May 7 (age 19) South Korea 2015–2023 (8 year career)

7.7 avg rating

Biography

Yun Seo-young, known professionally as YSY, is a South Korean rapper-songwriter and dancer under Chapter-I. She is the leader of the girl group H//PE Princess, formed through the 2025 survival show Unpretty Rapstar: HIP POP Princess, and a former pre-debut member of the girl group VVS. She made her solo debut on June 25, 2024, with the collaboration single "Love Me No More (Remix)".