{{MusicArticle
| titlejp     =ひらひら
| titlejprom  =Hira Hira
| titleen     =Fluttering
| group       =[[Siestail]]
| groupCat    =Siestail
| image       =STCD-0027.jpg
| banner      =STCD-0027 banner.jpg
| released    =2011-04-10
| convention  =Tsuki no Utage 4
| catalogno   =STCD-0027
| tracks      =8
| length      =36:00
| website     =[http://siestail.net/rts8-hirahira.html Link]
| illustrator ={{lang|ja|ミサキ}} ([http://26a.hacca.jp/1n1m/day/ 1n1m])
| designer    ={{lang|ja|ミサキ}} ([http://26a.hacca.jp/1n1m/day/ 1n1m])
| arranger    ={{すぺらんかー}} 
| lyricist    ={{すぺらんかー}} 
| vocalist    ={{lang|ja|ココ}} ([[Innocent Key]])
: {{愛原佑季}}
: {{すぺらんかー}} 
: {{真野紫}}
: {{神波千尋}}
: {{lang|ja|たま助}}
| masterer    =
| producer    =
| description =It features vocal arrangements of themes from ''[[Phantasmagoria of Dim.Dream]]'', ''[[Lotus Land Story]]'', ''[[Imperishable Night]]'', ''[[Phantasmagoria of Flower View]]'', ''[[Mountain of Faith]]'', ''[[Subterranean Animism]]'', ''[[Undefined Fantastic Object]]'' and ''[[Double Spoiler]]''.
| tracklist   =

* {{Track|01|{{lang|ja|うそだらけのようこそ}}|04:20|lyrics=Lyrics: うそだらけのようこそ}}
** ''A Welcome Drenched in Lies''
** arrangement: {{すぺらんかー}}
** lyrics: {{すぺらんかー}}
** vocals: {{lang|ja|たま助}}
** original title: {{lang|ja|シンデレラケージ　～}} Kagome-Kagome
** source: {{IN}}
** original title: {{lang|ja|お宇佐さまの素い幡}}
** source: {{PoFV}}

* {{Track|02|{{lang|ja|らぶりばー！}}|04:02|lyrics=Lyrics: らぶりばー！}}
** ''Love River!''
** arrangement: {{すぺらんかー}}
** lyrics: {{すぺらんかー}}
** vocals: {{神波千尋}}
** original title: {{lang|ja|芥川龍之介の河童　～}} Candid Friend
** source: {{MoF}}

* {{Track|03|{{lang|ja|あなたと、}}|03:23|lyrics=Lyrics: あなたと、}}
** ''With You,''
** arrangement: {{すぺらんかー}}
** lyrics: {{すぺらんかー}}
** vocals: {{真野紫}}
** original title: {{lang|ja|少女さとり　～}} 3rd eye
** source: {{SA}}

* {{Track|04|{{lang|ja|てきとうな}}|04:20|lyrics=Lyrics: てきとうな}}
** ''What is Proper''
** arrangement: {{すぺらんかー}}
** lyrics: {{すぺらんかー}}
** vocals: {{すぺらんかー}}
** original title: {{lang|ja|ハルトマンの妖怪少女}}
** source: {{SA}}

* {{Track|05|{{lang|ja|わからないの？}}|04:39|lyrics=Lyrics: わからないの？}}
** ''Don't You Understand?''
** arrangement: {{すぺらんかー}}
** lyrics: {{すぺらんかー}}
** vocals: {{愛原佑季}}
** original title: {{lang|ja|平安のエイリアン}}
** source: {{UFO}}

* {{Track|06|{{lang|ja|とくだね。}}|05:59|lyrics=Lyrics: とくだね。}}
** ''A Scoop.''
** arrangement: {{すぺらんかー}}
** lyrics: {{すぺらんかー}}
** vocals: {{lang|ja|ココ}}
** original title: {{lang|ja|あなたの町の怪事件}}
** original title: {{lang|ja|妖怪の山 ～}} Mysterious Mountain
** source: {{DS}}

* {{Track|07|{{lang|ja|くるくるっ}}|04:30}}
** ''Spinning''
** arrangement: {{すぺらんかー}}
** original title: {{lang|ja|紅響曲　～}} Scarlet Phoneme
** source: {{LLS}}

* {{Track|08|{{lang|ja|じゃんっ}}|04:47}}
** ''Isn't it''
** arrangement: {{すぺらんかー}}
** original title: Sailor of Time
** source: {{PoDD}}

}}