슈퍼스타K
Raina tried to audition with JYP Entertainment to become a rapper before joining Pledis Entertainment. Before debut, Raina was a barista at the Coffee Bean &amp; Tea Leaf. She also previously auditioned for Mnet's "Superstar K" and was a student at the SM Academy. Raina is considered to be one of the best vocalists among idol girl groups in South Korea.