fromis_9Former member
Seoyeon
서연Lee Seo-yeon (이서연)
A husky-toned vocalist and main rapper whose long YG training period fed into fromis_9 songwriting and a later solo career.
- Age
- 26
- Jan 22, 2000
- Height
- 158 cm
- 5′2″
- MBTI
- ISTJ
- self-reported
- Debut
- 2017
- with fromis_9
At a glance
Profile
- Stage name
- Seoyeon (서연)
- Birth name
- Lee Seo-yeon (이서연)
- Former position
- Main Rapper, Vocalist
- Birthday
- January 22, 2000 (age 26)
- Zodiac sign
- Aquarius
- Chinese zodiac
- Dragon
- Height
- 158 cm (5′2″)
- Blood type
- A
- MBTI
- ISTJ
- Nationality
- South Korean
- Birthplace
- Seoul, South Korea
- Representative emoji
- 🐼
- Nicknames
- Baby Panda, Sleepy Head
- Joined
- September 29, 2017
- Left
- December 31, 2024
8 facts
About Seoyeon
Lee Seoyeon trained for years before Idol School and brought a distinct low vocal color to fromis_9's rap and vocal lines. She also accumulated writing credits during the group's Pledis era, groundwork she carried into a solo career under the name Y:SY after leaving the lineup.
- 01
She began training at YG Entertainment at about ten years old.
- 02
She appeared in YG's Future 2NE1 trainee showcase before leaving the company in 2016.
- 03
She placed seventh in the Idol School finale with 61,083 votes.
- 04
She has two older brothers.
- 05
Her fromis_9 role combined main rap with a husky-toned vocal part.
- 06
She contributed lyrics to multiple group songs, including "Coloring" and "Eye Contact."
- 07
She signed with H1GHR MUSIC in July 2025 after leaving the group.
- 08
Under the solo name Y:SY, she debuted with the single album Naked in November 2025.
5 other members
