{{MusicArticle
| titleen     =KOISHI∞-Koishi Infinity-
| titlejprom  =KOISHI∞-コイシインフィニティ-
| group       =[[暁Records|Akatsuki Records]]
| groupCat    =Akatsuki Records
| released    =2019-10-13
| convention  =Touhou Kouroumu 15
| tracks      =4
| length      =15:39
| catalogno   =DRCD-0054
| genre       ={{Genre|Vocal}}
| website     =[http://akatsuki-records.com/drcd0054_kourou.html Link]
| image       =DRCD-0054.jpg
| caption     = Pictured: [[Koishi Komeiji]]
| banner      =DRCD-0054_banner.jpg
| illustrator = {{lang|ja|原之}}
| designer    = Stack
| arranger    =Stack Bros.
: Stack
| lyricist    =Stack
| vocalist    =Stack
| description = An album featuring a vocal arrangement from ''[[Subterranean Animism]]''.

| tracklist   =
*{{Track|01|KOISHI∞{{lang|ja|-コイシインフィニティ-}}|03:43|lyrics=Lyrics: KOISHI∞ -コイシインフィニティ-}}
**''KOISHI∞-Koishi Infinity-''
**arrangement: Stack
**lyrics: Stack
**vocals: Stack
**original title: {{lang|ja|ハルトマンの妖怪少女}}
**source: {{SA}}

*{{Track|02|{{lang|ja|星屑エメラルド}}|03:52|lyrics=Lyrics: 星屑エメラルド}}
**''Emerald Stardust''
**arrangement: Stack Bros.
**lyrics: Stack
**vocals: Stack
**original title: {{lang|ja|少女さとり ～}} 3rd eye
**original title: {{lang|ja|ハートフェルトファンシー}}
**source: {{SA}}

*{{Track|03|{{lang|ja|し・に・あ・そ・ば・せ！}}|03:57|lyrics=Lyrics: し・に・あ・そ・ば・せ！}}
**''Let's Play Death Games!''
**arrangement: Stack Bros.
**lyrics: Stack
**vocals: Stack
**original title: {{lang|ja|死体旅行 ～}} Be of good cheer!
**source: {{SA}}

*{{Track|04|FUTURE HORIZON|04:07|lyrics=Lyrics: FUTURE HORIZON}}
**arrangement: Stack
**lyrics: Stack
**vocals: Stack
**original title: {{lang|ja|エネルギー黎明 ～}} Future Dream...
**source: {{SA}}

}}