Y:SY

Acting · 1 movie · 9 TV shows

Born January 22, 2000 (age 26)

Seoul, South Korea

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: The Game Caterers Idol School We See Winter

Y:SY Movies & TV Shows

All (10) Movies TV Shows

Every movie and TV show featuring Y:SY, sorted by how many viewers have rated them, from The Game Caterers, Idol School and We See Winter to lesser-known roles. Click any poster to see details and watch it free in HD on MyFlixer.

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Y:SY

Biography

Y:SY Movies & TV Shows

The Game Caterers

Idol School

We See Winter

Welcome to Heal Inn

Fromis's Room

The Silence Of IDOL

fromis_9's Autumn Night

fromis_9's Summer Night

프롤로그_프로미스의 방 엿보기

fromis_9 concert ＜LOVE FROM.＞ IN JAPAN