한 Hayun Hayun (하윤) is a South Korean Female Artist. She started in group PRIMROSE. Read All General Information International Stage Name : Hayun Domestic Stage Name : Pronounce 하윤 Full Name : Ha Seyun Pronounce Full Domestic Name : Pronounce 하세윤 Date of Birth : 2003-11-20 (age 22) Zodiac : Scorpio Country of Birth : South Korea Related Artists : PRIMROSE - Vocal,Maknae Original group : PRIMROSE Images