Youngseo
ALLDAY PROJECT
5th Gen (commonly-cited era, approximate)Verified facts
Real nameLee Young-seo
Birthdate2005-11-13
Group debut2025-06-23
Group size5 members
Stats — real computed numbers, never invented ratings
All facts are sourced from public profiles/Wikipedia and verified before being added. Age and years active are computed from today's date, not a fixed snapshot.