한 Hyoin Hyoin (효인) was a South Korean Female Artist. She started in group K-Girls. She retired in 2015. Read All General Information International Stage Name : Hyoin Domestic Stage Name : Pronounce 효인 Full Name : Cha Eunbi Pronounce Date of Birth : 1989-08-24 (age 37) Zodiac : Virgo Country of Birth : South Korea Related Artists : K-Girls - Vocal Artist retired : 2015 Original group : K-Girls (No longer a member) Images