{{MusicArticle
| titleen     =Butterfly Delusion
| group       =[[J&B]]
| groupCat    =J&B
| image       =JBCD-0003.jpg
| banner      =JBCD-0003 banner.jpg
| released    =2008-11-02
| convention  =Touhou Kouroumu 4
| genre       ={{Genre|Instrumental}}
| catalogno   =JBCD-0003
| tracks      =7
| length      =22:00
| website     =[http://www.m-jb.com/bf/ Link]
| illustrator =Tetsuhiro Nabeshima ([http://lunadeluna.blog.shinobi.jp/ Lunade Luna])
| designer    =Tetsuhiro Nabeshima ([http://lunadeluna.blog.shinobi.jp/ Lunade Luna])
; Guitar & Bass
:{{lang|ja|渚}}
| arranger    ={{lang|ja|渚}}
| producer    =[[J&B]]

| description =It features instrumental arrangements of themes from ''[[Perfect Cherry Blossom]]'', ''[[Imperishable Night]]'' and ''[[Mountain of Faith]]''.
| tracklist   =

* {{Track|01|Intro|00:44}}
** arrangement: {{lang|ja|渚}}
** original title: {{lang|ja|妖々夢　～}} Snow or Cherry Petal
** source: {{PCB}}

* {{Track|02|Night Insect|02:55}}
** arrangement: {{lang|ja|渚}}
** original title: {{lang|ja|蠢々秋月　～}} Mooned Insect
** source: {{IN}}

* {{Track|03|{{lang|ja|山神渡御}}|02:48}}
** ''Mountain God Procession''
** arrangement: {{lang|ja|渚}}
** original title: {{lang|ja|妖怪の山　～}} Mysterious Mountain
** source: {{MoF}}

* {{Track|04|Dark Road|03:48}}
** arrangement: {{lang|ja|渚}}
** original title: {{lang|ja|厄神様の通り道　～}} Dark Road
** source: {{MoF}}

* {{Track|05|Nitori Metal!!|03:54}}
** arrangement: {{lang|ja|渚}}
** original title: {{lang|ja|芥川龍之介の河童　～}} Candid Friend
** source: {{MoF}}

* {{Track|06|{{lang|ja|天人の五衰}}|03:50}}
** ''Celestial's Nap''
** arrangement: {{lang|ja|渚}}
** original title: {{lang|ja|東方妖々夢　～}} Ancient Temple
** source: {{PCB}}

* {{Track|07|Butterfly Delusion|04:01}}
** arrangement: {{lang|ja|渚}}
** original title: {{lang|ja|幽雅に咲かせ、墨染の桜　～}} Border of Life
** source: {{PCB}}

}}