[3] In 2021, she made her face known in a television series Beyond Evil, Hospital Playlist 2, Bad and Crazy, and Extraordinary Attorney Woo.

[3] Kim gained prominence by playing the role of Lee Sa-ra, a drug-addicted painter and one of the perpetrators of school violence in the Netflix TV series The Glory.

[4] In April 2023, Kim signed with Gram Entertainment, a one-man agency founded by her manager who has been with her for a long time.

[5] Kim appeared in tvN's drama The Uncanny Counter for a second season, which premiered on July 29, 2023.

Kim later admitted to being a bystander but denied any direct participation in the bullying of her fellow schoolmates back in middle school, in contrast to the victim's claims of her supposed involvement.