An Anime adaption for Million Live had been announced last year! As of right now, the release date hasn't been revealed yet, but I will keep patiently waiting for it!
MV for the song, Sentimental Venus, which appears on the album, THE IDOLM@STER LIVE THE@TER PERFORMANCE 05. It is by Iori Minase, Emily Stewart, Mizuki Makabe, & Rio Momose.