{{MusicArticle
| titlejp     =
| titlejprom  =
| titleen     =CHALLENGE
| group       =[[Elemental Records]]
| groupCat    =Elemental Records
| image       =ERCD-004.jpg
| banner      =
| released    =2010-12-30
| convention  =Comiket 79
| tracks      =9
| website     =[http://elemental-records.com/c79.html Link]
| length      =
| catalogno   =ERCD-004
| illustrator ={{美里みゆ}} ([[Elemental Records]])
| designer    =
|arranger     ={{春田 孝廣}}
: necomimi.cafe
: tsunamix
: {{赤弦-AKAGEN-}}
|vocalist     =Noel ([[Elemental Records]])
: {{軽音部員}} ([[Elemental Records]])
: {{双月 彩}}
; Rap (Track 02)
: huty
| masterer    =
| lyricist    ={{海兎}} ([[Elemental Records]])
: {{軽音部員}} ([[Elemental Records]])
| producer    =kazuya ([[Elemental Records]])
| other_staff =
; Guitar (Track 01)
: {{赤弦-AKAGEN-}}
; Mastering
: {{赤弦-AKAGEN-}}

| description =It features vocal and instrumental arrangements of themes from ''[[Phantasmagoria of Dim. Dream]]'', ''[[Embodiment of Scarlet Devil]]'', ''[[Perfect Cherry Blossom]]'', ''[[Imperishable Night]]'' and ''[[Undefined Fantastic Object]]'' in addition to several original compositions.

| tracklist   =

*{{Track|01|{{lang|ja|ブクレシュティの人形師}}|}}
**''The Doll Maker of Bucuresti''
** arrangement: {{赤弦-AKAGEN-}}
** guitar: {{赤弦-AKAGEN-}}
** original title: {{lang|ja|ブクレシュティの人形師}}
** source: {{PCB}}

*{{Track|02|{{lang|ja|メビウスの孤独}}||lyrics=Lyrics: メビウスの孤独}} 
**''Loneliness of Moebius''
** arrangement: tsunamix
** lyrics: {{海兎}}, huty
** vocals: {{双月 彩}}
** rap: huty
** original title: {{lang|ja|エクステンドアッシュ　～ 蓬莱人}}
** source: {{IN}}

*{{Track|03|{{lang|ja|華霊に舞う永遠の桜}}||lyrics=Lyrics: 華霊に舞う永遠の桜}} 
**''___''
** arrangement: {{赤弦-AKAGEN-}}
** lyrics: {{軽音部員}}
** vocals: {{|軽音部員}}
** original title: {{lang|ja|幽雅に咲かせ、墨染の桜　～}} Border of Life
** source: {{PCB}}

*{{Track|04|{{lang|ja|ビー玉☆こいごころ}}||lyrics=Lyrics: ビー玉☆こいごころ}} 
**''Glass Marble☆Heart in Love''
** arrangement: necomimi.cafe
** lyrics: {{海兎}}
** vocals: {{双月 彩}}
** original title: {{lang|ja|キャプテン・ムラサ}}
** source: {{UFO}}

*{{Track|05|{{lang|ja|輪廻転生}}Paradigm||lyrics=Lyrics: 輪廻転生Paradigm}} 
**''Death and Rebirth Paradigm''
** arrangement: necomimi.cafe
** lyrics: {{海兎}}
** vocals: Noel
** original title: Reincarnation
** source: {{PoDD}}

*{{Track|06|{{lang|ja|こっそり恋娘}}||lyrics=Lyrics: こっそり恋娘}} 
**''Secretive Girl in Love''
** arrangement: {{赤弦-AKAGEN-}}
** lyrics: {{軽音部員}}
** vocals: {{軽音部員}}
** original title: {{lang|ja|おてんば恋娘}}
** source: {{EoSD}}

*{{Track|07|{{lang|ja|ダウト}}||lyrics=Lyrics: ダウト}} 
**''Doubt''
** composition: {{赤弦-AKAGEN-}}
** lyrics: {{軽音部員}}
** vocals: {{軽音部員}}
** source: Original

*{{Track|08|{{lang|ja|ノスタルジア}}||lyrics=Lyrics: ノスタルジア}} 
**''Nostalgia''
** composition: {{赤弦-AKAGEN-}}
** lyrics: {{軽音部員}}
** vocals: {{軽音部員}}
** source: Original

*{{Track|09|{{lang|ja|境界}}||lyrics=Lyrics: 境界}} 
**''A Boundary''
** composition: {{春田 孝廣}}
** vocals: {{軽音部員}}
** source: Original
}}