한 Sihoo Sihoo (시후) was a South Korean Male Artist. He started in group MustB. He retired in 2023. Read All General Information International Stage Name : Sihoo Domestic Stage Name : Pronounce 시후 Full Name : Seo Seongwook Pronounce Full Domestic Name : Pronounce 서성욱 Date of Birth : 1998-10-29 (age 27) Zodiac : Scorpio Country of Birth : South Korea Related Artists : MustB - Vocal,Dancer,Maknae Artist retired : 2023 Original group : MustB (No longer a member) Images No images yet