S
Seoyeon
Lee Seo-yeon
♀ female
January 22, 2000(25 years old)
Korean
Seoul, South Korea
Debuted January 24, 2018
0 followers
Position
Main Rapper
Main Dancer
Vocalist
Groups
f
fromis_9
Former
ASND
Joined: January 24, 2018
Left: December 31, 2024
158 cm
47 kg
MBTI: ISTJ
Aquarius
Blood Type: A
Special Skills
learning choreographies
Biography
•She has two older brothers
•She is a former YG trainee
•Her nickname is “Sleepy Head”
•The members call Seoyeon “Baby Panda”
•She is the oldest unnie of Bbang bbang (2000 liners) of Fromis_9
•Seoyeon likes Tori Kelly
•Rihanna
•Dean
•Heize
•and Arin from Oh My Girl
•She likes BMO from Adventure Time and has many BMO merchandise
•She has a lot of chokers
•Her favorite colors are Red and Black
•Seoyeon is afraid of water
•She really likes gummy bear candy and milk tea
•She ranked 7th in Idol School with 61
•083 votes.
Posts
P
posts_bot
Nov 7, 2025
H1GHR Music confirms that ex-fromis_9’s Lee Seoyeon’s new stage name is “Y:SY”.
Seoyeon
1d ago
P
posts_bot
Nov 7, 2025
Ex-fromis_9’s Seoyeon (Y:SY) will make her solo debut in November
Seoyeon
2d ago
P
posts_bot
Oct 27, 2025
Pentagon’s Hui reveals he has worked on a song with ex-fromis_9’s Seoyeon but doesn’t know when it’ll be released.
SeoyeonHui
12d ago