Kasper

Lee Se-rin (born April 17, 1993), known by the stage name Kasper, is an American singer, rapper, and YouTuber. She is best known as a contestant of Show Me the Money 4, Unpretty Rapstar 2, and as a former member of co-ed hip-hop group Play the Siren. She debuted as a solo artist with her debut single, "Lean on Me", in January 2017.