{{DISPLAYTITLE:happy lab.}}{{MusicArticle
| titlejp     =
| titlejprom  =
| titleen     =happy lab.
| group       =[[ばんだいく|vn'dyk]]
| groupCat    =vn'dyk
| groupCat2   =
| groupCat3   =
| groupCat4   =
| released    =2012-05-27
| convention  =Reitaisai 9
| tracks      =12
| length      =
| catalogno   =VD-018
| genre       ={{Genre|Hardcore}}
| website     =[http://vndyk.com/van/ Link]
| image       =VD-018.jpg
| banner      =VD-018_banner.jpg
| banner_res  =x60
| arranger    =MKSR
:xxxxxx
| lyricist    =
| vocalist    =
| producer    =
| illustrator ={{lang|ja|夢里まくら}} ([https://www.pixiv.net/member.php?id=26597 pixiv])
| designer    =MKSR
| masterer    =
| other_staff =
; Engineer & Manipulator
:xxxxxx

| description =It features instrumental arrangements of themes from ''[[Phantasmagoria of Dim.Dream]]'', ''[[Mystic Square]]'', ''[[Embodiment of Scarlet Devil]]'', ''[[Immaterial and Missing Power]]'', ''[[Imperishable Night]]'', ''[[Subterranean Animism]]'', ''[[Undefined Fantastic Object]]'' and ''[[Shuusou Gyoku]]''.

| tracklist   =

*{{Track|01|{{lang|ja|平安のエイリアン}} -h.h.c.style-|}}
**original title: {{lang|ja|平安のエイリアン}}
**source: {{UFO}}

*{{Track|02|{{lang|ja|魔女達の舞踏会}} -h.h.c.style-|}}
**original title: {{lang|ja|魔女達の舞踏会　～}} Magus
**source: {{SG}}

*{{Track|03|Demystify Feast -h.h.c.style-|}}
**original title: Demystify Feast
**source: {{IaMP}}

*{{Track|04|{{lang|ja|フォルスストロベリー}} -h.h.c.style-|}}
**original title: {{lang|ja|フォルスストロベリー}}
**source: {{SG}}

*{{Track|05|{{lang|ja|月まで届け、不死の煙}} -h.h.c.style-|}}
**original title: {{lang|ja|月まで届け、不死の煙}}
**source: {{IN}}

*{{Track|06|{{lang|ja|霊知の太陽信仰}} -h.h.c.style-|}}
**original title: {{lang|ja|霊知の太陽信仰　～}} Nuclear Fusion
**source: {{SA}}

*{{Track|07|the Last Judgement -h.h.c.style-|}}
**original title: the Last Judgement
**source: {{MS}}

*{{Track|08|{{lang|ja|感情の摩天楼}} -h.h.c.style-|}}
**original title: {{lang|ja|感情の摩天楼　～}} Cosmic Mind
**source: {{UFO}}

*{{Track|09|U.N.{{lang|ja|オーエンは彼女なのか？}} -h.h.c.style-|}}
**original title: U.N.{{lang|ja|オーエンは彼女なのか？}}
**source: {{EoSD}}

*{{Track|10|{{lang|ja|ラクトガール}} -h.h.c.style-|}}
**original title: {{lang|ja|ラクトガール　～ 少女密室}}
**source: {{EoSD}}

*{{Track|11|{{lang|ja|少女さとり}} -h.h.c.style-|}}
**original title: {{lang|ja|少女さとり　～}} 3rd eye
**source: {{SA}}

*{{Track|12|{{lang|ja|夢消失}} -h.h.c.style-|}}
**original title: {{lang|ja|夢消失　～}} Lost Dream
**source: {{PoDD}}

| notes       =
| review      =
| print_references =
}}