Original title: 夢にかけるRainbow（歌：765 MILLION ALLSTARS） Vocals: 765 MILLION ALLSTARS Composer: Tsukasa Yatoki (Arte Refact) Lyricist: MEG.ME Arranger: Tsukasa Yatoki (Arte Refact) From: THE IDOLM@STER MILLION THE@TER SEASON 夢にかけるRainbow