Jul 1, 2019-present
KASPER (캐스퍼) is a South Korean rapper and YouTuber under MAJOR9. She is a former member of the co-ed hip-hop group Play the Siren. She made her solo debut on January 18, 2017 with her first single "Lean On Me". She was a contestant on Show Me the Money 4 and Unpretty Rapstar 2.