Biography
Lee Young-seo (이영서; born November 13, 2005) is a South Korean trainee. She is best known for being a former pre-debut member of the girl group ILLIT. She is now in the co-ed group AllDay Project
Lee Young-seo (이영서; born November 13, 2005) is a South Korean trainee. She is best known for being a former pre-debut member of the girl group ILLIT. She is now in the co-ed group AllDay Project
