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Quick Facts
Real name
Lee Young-seo, 이영서
Birthday
Nov 13, 2005
Birthplace
Seoul, South Korea
Debut
Jun 23, 2025 · age 19
Agency
The Black Label
Groupmates
Bio
Frequently asked
FAQ
Youngseo is 20 years old (born November 13, 2005).
Youngseo's real name is Lee Young-seo (이영서).
Youngseo is a member of ALLDAY PROJECT.
Youngseo's MBTI has not been officially disclosed.
Youngseo's height is not publicly confirmed.
Youngseo is signed to The Black Label.
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