Yoon Seo-Yeon
August 6, 2003 — 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.
August 6, 2003 — 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.