Kiss of Life (Korean: 키스 오브 라이프; RR: Kiseu Obeu Raipeu; stylized in all caps), also known as KIOF, is a South Korean girl group formed by S2 Entertainment in 2023. The group consists of four members: Julie, Natty, Belle, and Haneul. They debuted on July 5, 2023, with the extended play (EP) Kiss of Life.