Y:SY
1 movie · 4 TV shows
- Known for
- Acting
- Born
- Jan 22, 2000 (age 26)
- Place of birth
- Seoul, South Korea
- Also known as
- 이서연 · 서연 · Lee Seo-yeon · Yi Seo-yeon
Biography
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.
Known for
Y:SY: movies and TV shows
Acting (5)
- 2023
- 2019
- 2018
- 2017
- 2017
Talk shows and appearances (8)
- 2025 Duckbap House
1 episode
- 2023 Jae Joong and Friends
1 episode
- 2022 fromis_9's Autumn Night
13 episodes
- 2022 fromis_9's Summer Night
9 episodes
- 2022 Lee Mujin Service
1 episode
- 2021 The Game Caterers
3 episodes
- 2020 The Silence Of IDOL
2 episodes
- 2017 Idol School
11 episodes