On 2009, JB and JR individually auditioned for JYP Entertainment. With their exceptional dance skills and good looks, they tied the 5th Open auditions as the overall winner and later become a trainee under JYP Entertainment. In 2011, both landed a role on then upcoming sequel of 2011's hit Drama Dream High. On February 3, 2012, it was revealed that JB and Jr. will debut officially as a boy band sometime during the second half of 2012. Finally on May 20,2012 they released their first Mini Album with Debut Single "Bounce" Read more on Last.fm