Seoyoon (서윤) is a South Korean singer. She is a former member of the girl groups Luluz and WANNA.B.
2014–2016: Luluz, WANNA.B
In 2015, she was added to the line-up of WANNA.B after three of the original members left the group. She officially debuted as a member of the group on July 20, with their debut digital single "Attention".
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