Yoon Se-eun

Born in Pyeongtaek, South Korea on June 14, 2003 (age 23)

Yoon Se-eun, known mononymously as Seeun, is a South Korean singer, lyricist and former child actress currently under High Up Entertainment. She is a member of the girl group STAYC, and a pre-debut member of the girl group Weeekly.