Original at: https://www.nicovideo.jp/watch/sm8692788
I had uploaded the original, 240p version, only to find the creator later uploaded the same video in higher quality.
This should be a higher quality mirror than the one already on youtube: https://www.youtube.com/watch?v=8CxnVE6QYis&list=FLGj8J_sz7MFtnfNMH6-VpeQ&index=245
This is a MAD featuring characters from The iDOLM@STER mixed with the song "SPEED MASTER (SUPER EURO MIX)" by "m.o.v.e"