Yoon Seo-Yeon (21)
2003-08-06 | Daejeon, South Korea
Yoon Seo-Yeon is a South Korean idol under MODHAUS and the first revealed member of tripleS. She was revealed as S1 on May 1, 2022.
Yoon Seo-Yeon is a South Korean idol under MODHAUS and the first revealed member of tripleS. She was revealed as S1 on May 1, 2022.
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