한 Sei Sei (세이) was a South Korean Female Artist. She started in group Weki Meki. She retired in 2024. Read All General Information International Stage Name : Sei Domestic Stage Name : Pronounce 세이 Full Name : Lee Seojung Pronounce Full Domestic Name : Pronounce 이서정 Date of Birth : 2000-01-07 (age 26) Zodiac : Capricorn Country of Birth : South Korea Related Artists : Weki Meki - Vocal,Rapper Artist retired : 2024 Original group : Weki Meki (No longer a member) Images