{{MusicArticle
| titlejp      = ガールズ・イン・ザ・ナイトメア
| titleen      = Girls in the Nightmare
| group        = [[A-GEAR]]
| groupCat     = A-GEAR
| image        = ガールズ・イン・ザ・ナイトメア.jpg
| banner       =
| caption      = 
| released     = 2019-05-05
| convention   = Reitaisai 16
| genre        ={{Genre|Jazz}}, {{Genre|Classical}}
| tracks       = 9
| length       = 42:48
| catalogno    = 
| website      = 
| lyricist     =
| masterer     =
| vocalist     = 
| arranger     = 310kent
| illustrator  = ini [https://www.pixiv.net/member.php?id=2067653 Pixiv]
| designer     =
| producer     =
| description  = It features instrumental arrangements of themes from ''[[Phantasmagoria of Dim. Dream]]'', ''[[Lotus Land Story]]'', ''[[Perfect Cherry Blossom]]'', ''[[Imperishable Night]]'', ''[[Shoot the Bullet]]'', ''[[Immaterial and Missing Power]]'', ''[[Legacy of Lunatic Kingdom]]'', ''[[Dateless Bar "Old Adam"]]'' and ''[[Violet Detector]]''.
| tracklist    =

* {{Track|01|{{lang|ja|歌えぬ雀は夜に鳴く}}|4:35}}
** ''A Sparrow That Can't Sing Cries at Night''
** arrangement: 310kent
** original title: {{lang|ja|夜雀の歌声　～}} Night Bird
** source: {{IN}}

* {{Track|02|Tokyo A24|5:20}}
** arrangement: 310kent
** original title: {{lang|ja|東の国の眠らない夜}}
** source: {{StB}}

* {{Track|03|Girls in the Darkness|4:56}}
** arrangement: 310kent
** original title: {{lang|ja|夜が降りてくる　～}} Evening Star
** source: {{IaMP}}

* {{Track|04|Nevermore|4:42}}
** arrangement: 310kent
** original title: {{lang|ja|永遠の春夢}}
** source: {{LoLK}}

* {{Track|05|No Mercy|3:47}}
** arrangement: 310kent
** original title: {{lang|ja|幽夢　～}} Inanimate Dream
** source: {{LLS}}

* {{Track|06|Girls in the Phantasia|5:49}}
** arrangement: 310kent
** original title: {{lang|ja|ネクロファンタジア}}
** source: {{PCB}}

* {{Track|07|Girls in the Nightmare|5:00}}
** arrangement: 310kent
** original title: {{lang|ja|ナイトメアダイアリー}}
** source: {{VD}}

* {{Track|08|i LOST THE DRE@M|5:20}}
** arrangement: 310kent
** original title: {{lang|ja|夢消失　～}} Lost Dream
** source: {{PoDD}}

* {{Track|09|Girls back to the Phantasia|3:19}}
** arrangement: 310kent
** original title: {{lang|ja|二日酔いの同床異夢}}
** source: {{DBOA}}

}}