Sulli Choi did a livestream where her nipples slipped at 2:41. There might be other places too. Sulli Choi (Choi Jin-ri) is a 25-year-old Korean celebrity (actress, model, singer, and songwriter).
Instagram: https://www.instagram.com/sulli.choi/
Here’s a recording:
It’s not much, but not many Korean celebrities show their nipples.