Yoon Seeun is a South Korean K-pop idol and former child actress currently under High Up Entertainment. She is a member of the girl group STAYC.
![STAYC 1st World Tour [TEENFRESH] in Seoul poster](https://image.tmdb.org/t/p/w500/3QVbLW4FOW9xLg83CpDIIuoyyub.jpg)