한 Youngseo Youngseo (영서) is a South Korean Male Artist. He started in group Bae173. Read All General Information International Stage Name : Youngseo Domestic Stage Name : Pronounce 영서 Full Name : Ryu Youngseo Pronounce Full Domestic Name : Pronounce 류영서 Date of Birth : 2002-06-13 (age 24) Zodiac : Gemini Country of Birth : South Korea Related Artists : Bae173 - VocalA SIX Original group : Bae173 Images