Y:SY
이서연
- Nació el 22 de enero de 2000 · 26 años
- Seoul, South Korea
- 4 series · 1 películas
Biografía
Lee Seo-yeon, known professionally as Y:SY, is a South Korean singer-songwriter and rapper under H1GHR Music. She is a former member of the girl group fromis_9, formed through the reality survival show Idol School (2017). She left the group in 2024. She made her solo debut on November 17, 2025, with the digital single Naked.
