I recommend that you watch the original on nicovideo for better quality. Link is below.

Source: 東方紅魔郷 ～ the Embodiment of Scarlet Devil
Original: 亡き王女の為のセプテット (Septette for a Dead Princess)
Stage 6 Boss - Remilia Scarlet's theme

Circle: Poplica*
Album: Poptrick
Arrangement: Poplica*
Lyrics, vocals: 市松 椿 (Tsubaki Ichimatsu)
Catalog number: LICA-0001
Release: 例大祭(Reitaisai)9

MMD by 490power
http://www.nicovideo.jp/watch/sm23978728
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