She was active in a rock band during high school and won the top prize for singing at the Suwon General Arts Festival.

[1] At a practical music academy, she joined Rainbow at recommendation of Kim Sung-hee, a former member of Kara.

On November 12, 2009, Rainbow released their first music video "Gossip Girl", alongside their EP of the same name.

[8] In August 2017, Kim made her solo debut with Baesisi, the title track of the same name featuring BTOB's Jung Il-hoon.

In 2021, Kim was cast in Imitation, a television series about idols in the entertainment industry, as Eun-jin, a talented stylist.