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Trending
Showing

About

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Terms
TMDB

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Ko-fi

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Y:SY | Slate

Y:SY

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Y:SY

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Y:SY

이서연

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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: Acting
Born: 22 Jan 2000
Age: 26
Place of birth: Seoul, South Korea

Known for

The Game Caterers2021
Idol School2017

8.5

Lee Mujin Service2022

6.5

We See Winter2019

6.5

Welcome to Heal Inn2018

Actor

Duckbap House덕밥집2025
Duckbap House
Season 1
S1E14Episode 14
Jae Joong and Friends재친구2023
Jae Joong and Friends
Season 3
S3E7Episode 7
fromis_9 concert ＜LOVE FROM.＞ IN JAPAN2022 fromis_9 concert ＜LOVE FROM.＞ IN JAPAN 全曲ノーカット版2023
fromis_9's Autumn Night2022
fromis_9's Summer Night2022
Lee Mujin Service리무진서비스2022
The Game Caterers출장 십오야2021
The Game Caterers
Season 2
S2E21EP. 1-1 | HYBE! We'll put the music on. Come on in on your own | The Game Caterers 2 x HYBE
S2E22EP. 1-2 | A chatty and weird green light is on in HYBE | The Game Caterers 2 x HYBE
S2E23EP. 1-3 | Strength and intelligence required in the second unpredictable game | The Game Caterers 2 x HYBE
The Silence Of IDOL돌들의침묵2020
The Silence Of IDOL
Season 2
S2E6The Only Thing They Didn't Do Was Sleep Quietly 😎 — From Their Idol Retreat | The Silence of Idol | fromis_9 'Stay This Way'
Season 4
S4E5Anyone Has at Least One F in Their Heart, Right? Oh, Not a Grade—It's fromis_9;; 🙄💯 | The Silence of Idol | fromis_9 'Supersonic'
We See Winter그래서 괜찮은, 회복회2019
Welcome to Heal Inn그래도 괜찮은, 회복회2018
Fromis's Room프로미스의 방2017
프롤로그_프로미스의 방 엿보기2017
Idol School아이돌학교2017