Moon Su-ah is a South Korean rapper and singer managed by MYSTIC Story. She is a member of the girl group Billlie. She is best known for being a former YG Entertainment trainee and a contestant on the competition show Unpretty Rapstar 2.
Known For:Acting
Birthday:1999-09-09
Place of Birth:Cheongju, South Korea
Also Known As:Moon Su Ah, Moon Su-ah, 문수아, Billlie
