"READY!!" is a song by 765PRO ALLSTARS from THE IDOLM@STER ANIM@TION MASTER 01. It was released on August 10, 2011, through NIPPON COLUMBIA, along with its instrumental version. The song was written by yura and composed and arranged by Satoru Kosaki. It was featured as the opening theme for the TV anime THE IDOLM@STER.