[[File:OLJA-0015_banner.jpg|312px]]{{MusicArticle
| titlejp     =序臭幻想狂
| titlejprom  =Joshou Gensoukyou
| titleen     =Prologue-Scented Gensokyo Insanity
| group       =[[オーライフジャパン|{{lang|ja|オーライフジャパン}}]] (O-LIFE.JP)
| groupCat    =O-LIFE.JP
| groupCat2   =
| groupCat3   =
| groupCat4   =
| released    =2016-05-08
| convention  =Reitaisai 13
| tracks      =14
| length      =59:13
| catalogno   =OLJA-0015
| genre       ={{Genre|Instrumental}}, {{Genre|Metal}}
| website     =[http://o-life.jp/olja0015/ Link]
| image       =OLJA-0015.jpg
| banner      =
| arranger    ={{まさみティー}}
| lyricist    =
| vocalist    =
| producer    =
| illustrator =
| designer    =
| masterer    =
| other_staff =
; Jacket Illustration & Design	
:{{エビゾメ}} ([http://www.pixiv.net/member.php?id=9779 SYS-LILA])

| description =It features instrumental arrangements from ''[[Mystic Square]]'', ''[[Embodiment of Scarlet Devil]]'', ''[[Perfect Cherry Blossom]]'', ''[[Imperishable Night]]'', ''[[Mountain of Faith]]'', ''[[Subterranean Animism]]'', ''[[Undefined Fantastic Object]]'', ''[[Ten Desires]]'', ''[[Double Dealing Character]]'' and ''[[Legacy of Lunatic Kingdom]]''. 

A promotional video was created for the albums opening track "{{lang|ja|妖魔夜行でメタルっぽい何か}}" and was released by {{まさみティー}} on [[niconico]], it can be viewed [http://www.nicovideo.jp/watch/sm27708328 here] <sup>(Requires account)</sup>.

| tracklist   =

*{{Track|01|{{lang|ja|妖魔夜行でメタルっぽい何か}}|04:32}}
**''Somewhat Metal Apparitions Stalk the Night''
**arrangement: {{まさみティー}}
**promotional video: [http://www.nicovideo.jp/watch/sm27708328 niconico video] <sup>(Requires account)</sup>
**original title: {{lang|ja|妖魔夜行}}
**source: {{EoSD}}

*{{Track|02|{{lang|ja|おてんば恋娘でメタルっぽい何か}}|04:12}}
**''Somewhat Metal Tomboyish Girl in Love''
**arrangement: {{まさみティー}}
**original title: {{lang|ja|おてんば恋娘}}
**source: {{EoSD}}

*{{Track|03|{{lang|ja|クリスタライズシルバーでメタルっぽい何か（再録）}}|02:54}}
**''Somewhat Metal Crystallized Silver (Rerecorded)''
**arrangement: {{まさみティー}}
**original title: {{lang|ja|クリスタライズシルバー}}
**source: {{PCB}}

*{{Track|04|{{lang|ja|ティアオイエツォンでメタルっぽい何か}}|04:35}}
**''Somewhat Metal Diao ye zong''
**arrangement: {{まさみティー}}
**original title: {{lang|ja|ティアオイエツォン}}(withered leaf)
**source: {{PCB}}

*{{Track|05|{{lang|ja|蠢々秋月でメタルっぽい何か（再録）}}|03:06}}
**''Somewhat Metal Wriggling Autumn Moon (Rerecorded)''
**arrangement: {{まさみティー}}
**original title: {{lang|ja|蠢々秋月　～}} Mooned Insect
**source: {{IN}}

*{{Track|06|{{lang|ja|もう歌しか聞こえないのでメタルっぽい何か}}|04:04}}
**''Somewhat Metal Deaf to All but the Song''
**arrangement: {{まさみティー}}
**original title: {{lang|ja|もう歌しか聞こえない}}
**source: {{IN}}

*{{Track|07|{{lang|ja|稲田姫様に叱られるからメタルっぽい何か}}|04:55}}
**''Somewhat Metal-esque Because Princess Inada is Scolding Me''
**arrangement: {{まさみティー}}
**original title: {{lang|ja|稲田姫様に叱られるから}}
**source: {{MoF}}

*{{Track|08|{{lang|ja|封じられた妖怪がメタルっぽい何か}}|03:56}}
**''Somewhat Metal The Sealed-Away Youkai''
**arrangement: {{まさみティー}}
**original title: {{lang|ja|封じられた妖怪　～}} Lost Place
**source: {{SA}}

*{{Track|09|{{lang|ja|小さな小さな賢将でメタルっぽい何か（再録）}}|03:36}}
**''Somewhat Metal A Tiny, Tiny Clever Commander (Rerecorded)''
**arrangement: {{まさみティー}}
**original title: {{lang|ja|小さな小さな賢将}}
**source: {{UFO}}

*{{Track|10|{{lang|ja|門前の妖怪小娘でメタルっぽい何か}}|05:22}}
**''Somewhat Metal Youkai Girl at the Gate''
**arrangement: {{まさみティー}}
**original title: {{lang|ja|門前の妖怪小娘}}
**source: {{TD}}

*{{Track|11|{{lang|ja|秘境のマーメイドはメタルっぽい何か}}|04:20}}
**''Somewhat Metal Mermaid from the Uncharted Land''
**arrangement: {{まさみティー}}
**original title: {{lang|ja|秘境のマーメイド}}
**source: {{DDC}}

*{{Track|12|{{lang|ja|ほおずきみたいに紅い魂でメタルっぽくない何か}}|05:03}}
**''Somewhat Un-Metal A Soul as Red as a Ground Cherry''
**arrangement: {{まさみティー}}
**original title: {{lang|ja|ほおずきみたいに紅い魂}}
**source: {{EoSD}}

*{{Track|13|{{lang|ja|忘れがたき、オケの舞台}}|03:41}}
**''Unforgettable, the Orchestra's Stage''
**arrangement: {{まさみティー}}
**original title: {{lang|ja|忘れがたき、よすがの緑}}
**source: {{LoLK}}

*{{Track|14|{{lang|ja|兎が舞い降りたのでメタルっぽい何か}}|04:59}}
**''Somewhat Metal The Rabbit has Landed''
**arrangement: {{まさみティー}}
**original title: {{lang|ja|兎は舞い降りた}}
**source: {{LoLK}}

| notes       =
| review      =
| print_references =
}}