Kim Ji Yeon, known by her stage name Kei, is a South Korean singer and actress. She made her debut as a member of Woollim Entertainment’s South Korean girl group "Lovelyz" in 2014. She made her acting debut as the female lead in the web drama "Matching! Boys Archery" in 2016.
Lovelyz’s exclusive contracts with Woollim Entertainment expired on November 16, 2021, and the group disbanded. On January 10, 2022, a representative of JYJ’s Kim Junsu’s Agency PALMTREE ISLAND stated that they have signed an exclusive contract with Kei to grow her career as a musical actress.