Kim has been nicknamed by the Korean media as the ' Nation's Little Sister', 'Queen of Child Actresses', 'Goddess of Historical Drama' and also the ' Sageuk Goddess', after starring and appearing in various acclaimed historical period dramas throughout her career, and having gained experience working as an actress from childhood to the present day. She was the regular host of MBC's music program Music Core and survival reality show Under Nineteen in 2019. She took on her first leading role in teen drama Who Are You: School 2015 (2015) and since then has starred in a musical Page Turner (2016), a historical melodrama The Emperor: Owner of the Mask (2017), a romantic comedy Radio Romance (2018), television dramas based on Naver Webtoon's Hey Ghost, Let's Fight (2016), Love Alarm (2019–2021) and The Tale of Nokdu (2019) and Korean folklore River Where the Moon Rises (2021). Kim So-hyun ( Korean: 김소현 Hanja: 金所泫 born June 4, 1999) is a South Korean actress who began her career as a child in 2006, initially gaining public attention for playing pivotal roles in Moon Embracing the Sun (2012) and Missing You (2013).