Yoon Byul-ha윤별하 Born November 30, 2013 · 12 years oldSouth Korea5 series · 1 films Open in my diary TV series with Yoon Byul-haUnmasked2025 · Hong Je-inMaestra: Strings of Truth2023 · Lee Ru-na ChildThe Devil Judge2021 · Child Yoo Soo-hyun18 Again2020 · Ye Seo-yeonFatal Promise2020 · Patient Girl With Baloon Films with Yoon Byul-haHomecam2025 · Ji-woo