{{MusicArticle
| titleen     =Happy Rule Garden 1L
| group       =[[Iemitsu.]]
| groupCat    =Iemitsu.
| image       =SICD-057.jpg
| banner      =SICD-057~59 banner.jpg
| catalogno   =SICD-057
| tracks      =10
| length      =??:??
| released    =2010-08-14
| convention  =Comiket 78
| website     =[http://iemitsu.net/happy/ Link]
| illustrator =Hari Ogawa
| designer    =JiNG*da*LaW
| arranger    ={{きくお}}
: {{囁一}}
| masterer    =JiNG*da*LaW
| lyricist    ={{lang|ja|小川ハリ}}
: {{ユカ}}
: mizuki ryo
| vocalist    = {{ユカ }}
: {{ココ}} ([[Innocent Key]])
: {{蒼咲雫}}
| composer    =
| producer    =JiNG*da*LaW
| other_staff =
| description =It features vocal arrangements of themes from ''[[Embodiment of Scarlet Devil]]'', ''[[Perfect Cherry Blossom]]'', ''[[Phantasmagoria of Flower View]]'', ''[[Mountain of Faith]]'' and ''[[Undefined Fantastic Object]], as well as an original intro track.

The last track is a preview of the next album, [[Happy Rule Garden 2C]].
| tracklist   =

* {{Track|01|{{lang|ja|イントロっ！}}|??:??}}
** ''Intro!''
** voice: {{ユカ}}
** source: Original

* {{Track|02|{{lang|ja|アイドルウィンクッ！}}|??:??|lyrics=Lyrics: アイドルウィンクッ！}}
** ''Idol Wink''
** arrangement: {{きくお}}
** lyrics: {{lang|ja|小川ハリ}}
** vocals: {{ココ}}
** original title: {{lang|ja|おてんば恋娘 }}
** source: {{EoSD}}

* {{Track|03|{{lang|ja|デイライトデイドリーマー}}|??:??|lyrics=Lyrics: デイライトデイドリーマー}}
** ''Daylight Daydreamer''
** arrangement: {{きくお}}
** lyrics: {{ユカ}}
** vocals: {{ユカ}}
** original title: {{lang|ja|ネクロファンタジア}}
** source: {{PCB}}

* {{Track|04|{{lang|ja|てくてくおさんぽトリッパー}}|??:??|lyrics=Lyrics: てくてくおさんぽトリッパー}}
** ''Steady Walker Tripper''
** arrangement: {{きくお}}
** lyrics: {{lang|ja|小川ハリ}}
** vocals: {{ココ}}
** original title: {{lang|ja|ティアオイエツォン}}(withered leaf)
** source: {{PCB}}

* {{Track|05|{{lang|ja|ウインド・ブレイカー}}|??:??|lyrics=Lyrics: ウインド・ブレイカー}}
** ''Wind Breaker''
** arrangement: {{きくお}}
** lyrics: {{ユカ}}
** vocals: {{蒼咲雫}}
** original title: {{lang|ja|御柱の墓場　～}} Grave of Being
** source: {{MoF}}

* {{Track|06|{{lang|ja|まじっく}}☆{{lang|ja|ふぁうんてん}}|??:??|lyrics=Lyrics: まじっく☆ふぁうんてん}}
** ''Magic☆Fountain''
** arrangement: {{きくお}}
** lyrics: mizuki ryo
** vocals: {{ユカ}}
** original title: {{lang|ja|夜空のユーフォーロマンス}}
** source: {{UFO}}

* {{Track|07|{{lang|ja|めぐるぐる}}|??:??|lyrics=Lyrics: めぐるぐる}}
** ''Turning and Turning''
** arrangement: {{きくお}}
** lyrics: mizuki ryo
** vocals: {{ユカ}}
** original title: {{lang|ja|時代親父とハイカラ少女}}
** source: {{UFO}}

* {{Track|08|{{lang|ja|無機物アップル}}|??:??|lyrics=Lyrics: 無機物アップル}}
** ''Inorganic Apple''
** arrangement: {{きくお}}
** lyrics: {{lang|ja|小川ハリ}}
** vocals: {{蒼咲雫}}
** original title: {{lang|ja|ポイズンボディ　～}} Forsaken Doll
** source: {{PoFV}}

* {{Track|09|{{lang|ja|ゆめのあと}}|??:??|lyrics=Lyrics: ゆめのあと}}
** ''After Dreaming''
** arrangement: {{囁一}}
** lyrics: {{lang|ja|小川ハリ}}
** vocals: {{蒼咲雫}}
** original title: {{lang|ja|おてんば恋娘}}
** source: {{EoSD}}

* {{Track|10|{{lang|ja|次回予告}}|??:??}}
** ''Next Installment Preview''
** voice: {{ユカ}}

}}