Jun 1, 2020-present
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Jung Woo Yeon (정우연), formerly known as Ryu Hyoyoung (류효영) or Hyoyoung (효영), is a South Korean singer, rapper and actress under Big Picture Entertainment. She is a former member of the co-ed group Coed School and the girl group F-ve Dolls. She is the twin sister Ryu Hwayoung of T-ara.