Original (by ZUN):
恋色マスタースパーク
Love-colored Master Spark
Marisa Kirisame's Theme
Imperishable Night Stage 4 Powerful
Arrangement: Atsushi Haneoka
Vocals: Haiji
Lyrics: Ne;on
Circle: Kraster
HP:
http://kraster.jp/Album: 東方雨月譚 (Toho-Ugetsutan)
Catalogue Number: N/A
Released at Comiket 77.