Oh Huiyeon (Former LIGHTSUM) Profile and Facts Huiyeon is a former member of the South Korean girl group LIGHTSUM. Stage Name: Huiyeon (휘연) Birth Name: Oh Hui Yeon (오휘연) Birthday: August 1st, 2005 Zodiac Sign: Leo Chinese Zodiac Sign: Rooster Height: 163 cm (5’3”) Weight: – Blood Type: O MBTI Type: ISFP Nationality: Korean Huiyeon Facts: – Huiyeon attended Def Music Academy … Continue reading Huiyeon (Former LIGHTSUM) Profile and Facts