Yoon Seo-Yeon
Age: 22 years old
Born: August 6, 2003 in Daejeon, South Korea
Born: August 6, 2003 in 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.
