Hwang Joo Won made his debut on 2011 as the vocalist and rapper of K-pop boyband AA (acronym for Double A). On June 17th, 2013 his agency announced that Juwon would officially leave the group in order to pursue acting, his first love in the entertainment industry. On November 2013 he started his studies at Columbia International College of Hamilton. [Sources: Wikipedia, Juwon's Facebook] Watch drama online for free.