한 Youngseo Youngseo (영서) is a South Korean Female Artist. She started in group ALLDAY PROJECT. Youngseo was part of Illit's line-up but left before the debut. Read All General Information International Stage Name : Youngseo Domestic Stage Name : Pronounce 영서 Full Name : Lee Youngseo Pronounce Full Domestic Name : Pronounce 이영서 Date of Birth : 2005-11-13 (age 20) Zodiac : Scorpio Country of Birth : South Korea Related Artists : ALLDAY PROJECT - Vocal,Maknae Original group : ALLDAY PROJECT Solo Videos In WICKEDBy ALLDAY PROJECT Images