{{MusicArticle
| titlejp     = 第三者イン幻想郷
| titlejprom  = Daisansha in gensō gō
| titleen     = Third Party in Gensokyo
| group       = [[MushiGumo]]
| groupCat    = MushiGumo
| released    = 2014-05-11
| convention  = Reitaisai 11
| tracks      = 10
| length      = 
| catalogno   = N/A
| genre       = {{Genre|Vocal}}, {{Genre|Instrumental}}, {{Genre|Rock}}, {{Genre|Electronic}}, {{Genre|Pop}}
| website     = [https://web.archive.org/web/20140724181552/http://64spider.jorougumo.com/special/R11/sunshine.html Archived Homepage]
| digital     = 
| image       = 第三者イン幻想郷.jpg
| banner      = 六四蜘蛛_banner.gif
| banner_res  = x60
| caption     = Portrayed: [[Nue Houjuu]]
| multicolumn =Y
| arranger    = {{おもこ}}
: {{つきいち}} ([[Retractable]])
: {{そっち}}
: NorK ([[TV SHOP ON THE SECOND FLOOR]])
| lyricist    = {{おもこ}}
: NorK ([[TV SHOP ON THE SECOND FLOOR]])
: {{麻宮ミヤネ}} ([[Helga Prison]])
| vocalist    = {{ミナミ}}
{{MusicArticle/Divider}}
| producer    = 
| illustrator = {{高留}} ([[GIRLSICK]])
| designer    = 
| masterer    = 
| other_staff = 
; Instruments
: TERRA ([[Girls Logic Observatory]])
: {{そっち}}
: {{おもこ}}
: NorK ([[TV SHOP ON THE SECOND FLOOR]])
| description = It features vocal and instrumental arrangements of themes from ''[[Embodiment of Scarlet Devil]]'', ''[[Perfect Cherry Blossom]]'', ''[[Imperishable Night]]'', ''[[Mountain of Faith]]'', ''[[Subterranean Animism]]'' and ''[[Undefined Fantastic Object]]''.
| tracklist   =

* {{Track|01|{{lang|ja|錆びない鉄}}||lyrics=Lyrics: 錆びない鉄}}
** ''___''
** arrangement: {{おもこ}}
** lyrics: {{おもこ}}
** vocals: {{ミナミ}}
** guitar: TERRA
** bass: {{おもこ}}
** drums: {{そっち}}
** original title: {{lang|ja|平安のエイリアン}}
** source: {{UFO}}

* {{Track|02|{{lang|ja|紫鏡}}|}}
** ''___''
** arrangement: {{つきいち}}
** original title: {{lang|ja|ネクロファンタジア}}
** source: {{PCB}}

* {{Track|03|{{lang|ja|脅かし要員3号}}||lyrics=Lyrics: 脅かし要員3号}}
** ''___''
** arrangement: {{そっち}}
** lyrics: {{おもこ}}
** vocals: {{ミナミ}}
** guitar: TERRA
** bass: {{おもこ}}
** drums: {{そっち}}
** original title: {{lang|ja|万年置き傘にご注意を}}
** source: {{UFO}}

* {{Track|04|{{lang|ja|豪華に溶ける}}||lyrics=Lyrics: 豪華に溶ける}}
** ''___''
** arrangement: {{そっち}}
** lyrics: {{おもこ}}
** vocals: {{ミナミ}}
** guitar: TERRA
** bass: {{おもこ}}
** drums: {{そっち}}
** original title: {{lang|ja|霊知の太陽信仰　～}} Nuclear Fusion
** source: {{SA}}

* {{Track|05|{{lang|ja|ヒズミガ}}||lyrics=Lyrics: ヒズミガ}}
** ''___''
** arrangement: {{そっち}}
** lyrics: {{おもこ}}
** vocals: {{ミナミ}}
** guitar: TERRA
** bass: {{おもこ}}
** drums: {{そっち}}
** original title: {{lang|ja|ティアオイエツォン}}(withered leaf)
** source: {{PCB}}

* {{Track|06|{{lang|ja|魔砲}}～Leckere Pilze～||lyrics=Lyrics: 魔砲～Leckere Pilze～}}
** ''___''
** arrangement: NorK
** lyrics: NorK
** vocals: {{ミナミ}}
** guitar: TERRA
** bass: {{おもこ}}
** drums: {{そっち}}
** original title: {{lang|ja|恋色マスタースパーク}}
** source: {{IN}}

* {{Track|07|{{lang|ja|河童はトモダチこわくない}}||lyrics=Lyrics: 河童はトモダチこわくない}}
** ''___''
** arrangement: {{そっち}}
** lyrics: {{おもこ}}
** vocals: {{ミナミ}}
** guitar: TERRA
** bass: {{おもこ}}
** drums: {{そっち}}
** original title: {{lang|ja|芥川龍之介の河童　～}} Candid Friend
** source: {{MoF}}

* {{Track|08|{{lang|ja|従者色々}}||lyrics=Lyrics: 従者色々}}
** ''___''
** arrangement: {{そっち}}
** lyrics: {{おもこ}}
** vocals: {{ミナミ}}
** guitar: TERRA
** bass: {{おもこ}}
** drums: {{そっち}}
** original title: {{lang|ja|メイドと血の懐中時計}}
** source: {{EoSD}}

* {{Track|09|{{lang|ja|霊セパレイティスト}}|01:44|lyrics=Lyrics: 霊セパレイティスト}}
** ''Spirit Separator''
** arrangement: {{そっち}}
** lyrics: {{麻宮ミヤネ}}
** vocals: {{ミナミ}}
** guitar: TERRA
** bass: {{おもこ}}
** drums: {{そっち}}
** original title: {{lang|ja|幽霊客船の時空を越えた旅}}
** source: {{UFO}}

* {{Track|10|{{lang|ja|ヒッピー・ミシャクジング禅}}||lyrics=Lyrics: ヒッピー・ミシャクジング禅}}
** ''___''
** arrangement: {{そっち}}
** lyrics: {{麻宮ミヤネ}}
** vocals: {{ミナミ}}
** guitar: TERRA
** bass: {{おもこ}}
** drums: {{そっち}}
** original title: {{lang|ja|明日ハレの日、ケの昨日}}
** source: {{MoF}}

}}