{{MusicArticle
| titlejp     = 
| titlejprom  = 
| titleen     = DHS Mystery EP
| group       = [[DHS]]
| groupCat    = DHS
| released    = 2013-05-26
| convention  = Reitaisai 10
| tracks      = 3
| length      = 
| catalogno   = N/A
| genre       = {{Genre|Vocal}}, {{Genre|Rock}}
| website     = [https://dhstohomystery.tumblr.com/ Link]
| digital     = 
| image       = DHS_Mystery_EP.jpg
| banner      = 
| banner_res  = 
| caption     = 
| arranger    = DHS
| lyricist    = 
| vocalist    = kei
| producer    = 
| illustrator = 
| designer    = 
| masterer    = 
| other_staff = 
; Instruments
: Batta
: 45r
: pino
: {{lang|ja|白ピクミン}}
: {{lang|ja|坂本}}
: {{lang|ja|おにぎりメロンパン}}
| description = It features vocal arrangements of themes from ''[[Embodiment of Scarlet Devil]]'' and ''[[Imperishable Night]]'' plus an original track.
| tracklist   =

* {{Track|01|Mystery||lyrics=Lyrics: Mystery}}
** arrangement: DHS
** vocals: kei
** original track

* {{Track|02|Rise And Fall||lyrics=Lyrics: Rise And Fall}}
** arrangement: DHS
** vocals: kei
** original title: {{lang|ja|月時計　～ ルナ・ダイアル}}
** source: {{EoSD}}

* {{Track|03|Grace of Gray||lyrics=Lyrics: Grace of Gray}}
** arrangement: DHS
** vocals: kei
** original title: {{lang|ja|エクステンドアッシュ　～ 蓬莱人}}
** source: {{IN}}

}}