Yoon Seo-yeon
Known As: 윤서연Born: 6th August, 2003Age: 23Birthplace: Daejeon, South KoreaBiography: Yoon Seo-yeon, more commonly referred to as simply SeoYeon, is a South Korean singer and dancer under MODHAUS. On May 1, 2022, she was introduced as S1, the first member of the 24-member girl group tripleS.
