She debuted as a child actress and was best known for her role in the television series The Queen's Classroom (2013), as well as the films Along with the Gods: The Two Worlds (2017) and its 2018 sequel.

[7] One of Kim's earlier notable roles were in the drama film Wedding Dress where she played Song Yoon-ah's daughter.

The two-part drama series is about the "comfort women" in Korea under Japanese rule during World War II, and was later released as a film in theaters.

[11][12] In 2017, Kim starred in the web drama Sweet Revenge, which earned positive reviews and had over 11 million views online.

[15] In 2018, Kim starred in the drama film Youngju, playing a lonely girl whose environment has forced her to grow up too fast.