Yoon Seo-Yeon
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.
- Title: Yoon Seo-Yeon
- Popularity: 0.1759
- Known For: Acting
- Birthday: 2003-08-06
- Place of Birth: Daejeon, South Korea
- Homepage: https://www.triplescosmos.com/member/s1-seoyeon
- Also Known As: 윤서연, Юн Со Ён, Yoon Seo Yeon, Seoyeon, 서연, Соён
