Acting
Y:SY
13 titles1 movies · 12 series
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.
Filmography
Duckbap House
Series · 2025
fromis_9 concert ＜LOVE FROM.＞ IN JAPAN
Film · 2023
Jae Joong and Friends
Series · 2023
Lee Mujin Service
Series · 2022
fromis_9's Summer Night
Series · 2022
fromis_9's Autumn Night
Series · 2022
The Game Caterers
Series · 2021
The Silence Of IDOL
Series · 2020
We See Winter
Series · 2019
Welcome to Heal Inn
Series · 2018
Idol School
Series · 2017
프롤로그_프로미스의 방 엿보기
Series · 2017
Fromis's Room
Series · 2017