{{MusicArticle
| titlejp     = 観測史学のニンフォフィリア
| titlejprom  = Kansoku shigaku no ninfofiria
| titleen     = 
| group       = [[Girls Logic Observatory]] & [[High speed little girl]]
| groupCat    = Girls Logic Observatory
| groupCat2   = High speed little girl
| released    = 2013-10-13
| convention  = Touhou Kouroumu 9
| tracks      = 4
| length      = 
| catalogno   = N/A
| genre       = {{Genre|Vocal}}, {{Genre|Rock}}
| website     = [https://web.archive.org/web/20170314130710/http://girlslogic.xxxxxxxx.jp/hslgxglo01/index.html Archived Website]
| digital     = 
| image       = HSCD-01.jpg
| banner      = 
| banner_res  = 
| caption     = Portrayed: [[Patchouli Knowledge]] & [[Byakuren Hijiri]]
| arranger    = {{テラ}} ([[Girls Logic Observatory]])
: {{lang|ja|大吉}} ([[High speed little girl]])
| lyricist    = {{テラ}} ([[Girls Logic Observatory]])
: {{lang|ja|大吉}} ([[High speed little girl]])
: {{lang|ja|イカズチ}} ([[High speed little girl]])
| vocalist    = {{lang|ja|大吉}} ([[High speed little girl]])
: {{テラ}} ([[Girls Logic Observatory]])
| producer    = 
| illustrator = {{lang|ja|さのつき}}
| designer    = 
| masterer    = 
| other_staff = 
| description = It features vocal arrangements of themes from ''[[Embodiment of Scarlet Devil]]'', ''[[Immaterial and Missing Power]]'', ''[[Undefined Fantastic Object]]''.
| tracklist   =

* {{Track|01|over knowledge||lyrics=Lyrics: over knowledge}}
** arrangement: {{テラ}} & {{lang|ja|大吉}}
** lyrics: {{テラ}}
** vocals: {{lang|ja|大吉}}
** original title: {{lang|ja|ラクトガール　～ 少女密室}}
** original title: {{lang|ja|ヴワル魔法図書館}}
** source: {{EoSD}}
**first release: [[Lyrics:_over_knowledge|over knowledge]] on [[over knowledge]]

* {{Track|02|{{lang|ja|東方萃夢想}}||lyrics=Lyrics: 東方萃夢想}}
** ''___''
** arrangement: {{lang|ja|大吉}} & {{テラ}}
** lyrics: {{lang|ja|大吉}}
** vocals: {{テラ}}
** original title: {{lang|ja|東方萃夢想}}
** source: {{IaMP}}
**first release: [[Lyrics:_東方萃夢想|東方萃夢想]] on [[ゲンソウガールサヨウナラ]]

* {{Track|03|{{lang|ja|新月に捧ぐ}}||lyrics=Lyrics: 新月に捧ぐ}}
** ''___''
** arrangement: {{テラ}} & {{lang|ja|大吉}}
** lyrics: {{テラ}}
** vocals: {{lang|ja|大吉}}
** original title: {{lang|ja|亡き王女の為のセプテット}}
** source: {{EoSD}}
**first release: [[Lyrics:_新月に捧ぐ|新月に捧ぐ]] on [[over knowledge]]

* {{Track|04|{{lang|ja|芙蓉の咲いた日}}||lyrics=Lyrics: 芙蓉の咲いた日}}
** ''___''
** arrangement: {{lang|ja|大吉}} & {{テラ}}
** lyrics: {{lang|ja|イカズチ}}
** vocals: {{テラ}}
** original title: {{lang|ja|感情の摩天楼　～}} Cosmic Mind
** original title: {{lang|ja|法界の火}}
** source: {{UFO}}
**first release: [[Lyrics:_芙蓉の咲いた日|芙蓉の咲いた日]] on [[ハルカゼガールユメヲミル]]

}}