Kiss of Life, also known as KIOF, is a four-member South Korean fifth-generation girl group formed in 2023 by S2 Entertainment. All four members were previously part of the top entertainment companies; JYP, YG, HYBE, and SM Entertainment and are known for their voices and energetic performances.

The group consists of Natty, Belle, Julie, and Haneul. They officially debuted on July 5, 2023, with their first mini-album "Kiss of Life."