{{MusicArticle
| titlejp     =幻夜
| titlejprom  =Gen'ya
| titleen     =Illusionary Night
| group       =[[Frozen System Records]]
| groupCat    =Frozen System Records
| image       =Gen'ya.png
| banner      =Gen'ya banner.png
| released    =2011-08-13
| convention  =Comiket 80
| tracks      =18
| website     =[http://fsr.jpn.org/cd2/genya/ Link]
| length      =??:??
| arranger    =Freezer ({{lang|ja|絶対零度}}) ([[Frozen System Records]])
: {{lang|ja|零}} ({{lang|ja|絶対零度}}) ([[-273.15℃の先|-273.15℃{{lang|ja|の先}}]])
: URURU ([[Sound Power]])
: 2P_Yu ([[tsundeRECords]])
| catalogno   =
| illustrator ={{lang|ja|つき}} ([http://www.geocities.jp/onionpieceful_for_war/ {{lang|ja|ちかたま}}])
| designer    ={{lang|ja|うめやん}} ([http://ryoji.x0.to/ ryoji.s portfolio])
| masterer    =2P_Yu ([[tsundeRECords]])
| lyricist    =URURU ([[Sound Power]])
: {{lang|ja|星 遥歌}}
: {{lang|ja|もりくまちよこ}}
: {{lang|ja|梨菜}}
: {{lang|ja|三和 セト}} ([[murmur]])
: {{lang|ja|八白}} ({{lang|ja|[[ヤシロヤブログ]]}})
| vocalist    ={{lang|ja|星 遥歌}}
: {{lang|ja|相川なつ}} ({{lang|ja|[[世界で一番お姫様っ]]}})
: {{lang|ja|もりくまちよこ}}
: {{lang|ja|梨菜}}
| description =It features vocal and instrumental arrangements of themes from ''[[Subterranean Animism]]''.
| tracklist   =

* {{Track|01|{{lang|ja|約束}}|??:??|lyrics=Lyrics: 約束}}
** ''Promise''
** arrangement: {{lang|ja|絶対零度}}
** lyrics:
** vocals: {{lang|ja|相川なつ}}
** original title: {{lang|ja|少女さとり ～}} 3rd eye
** source: {{SA}}

* {{Track|02|{{lang|ja|無意識の海へ沈みゆく}}|??:??|lyrics=Lyrics: 無意識の海へ沈みゆく}}
** ''Sinking into the Sea of Subconscious''
** arrangement: 2P_Yu
** lyrics:
** vocals: {{lang|ja|もりくまちよこ}}
** original title: {{lang|ja|ハルトマンの妖怪少女}}
** original title: {{lang|ja|ラストリモート}}
** source: {{SA}}

* {{Track|03|{{lang|ja|見果てぬ空}}|??:??|lyrics=Lyrics: 見果てぬ空}}
** ''Endless Sky''
** arrangement: URURU
** lyrics:
** vocals: {{lang|ja|星 遥歌}}
** original title: {{lang|ja|暗闇の風穴}}
** source: {{SA}}

* {{Track|04|{{lang|ja|七色未来}}|??:??|lyrics=Lyrics: 七色未来}}
** ''Seven-colored Future''
** arrangement: URURU
** lyrics:
** vocals: {{lang|ja|梨菜}}
** original title: {{lang|ja|封じられた妖怪 ～}} Lost Place 
** source: {{SA}}

* {{Track|05|{{lang|ja|蜃気楼の中}}|??:??|lyrics=Lyrics: 蜃気楼の中}}
** ''Within a Mirage''
** arrangement: {{lang|ja|絶対零度}}
** lyrics:
** vocals: {{lang|ja|星 遥歌}}
** original title: {{lang|ja|ハートフェルトファンシー}}
** source: {{SA}}

* {{Track|06|{{lang|ja|天魔狂乱}}|??:??|lyrics=Lyrics: 天魔狂乱}}
** ''Demonic Frenzy''
** arrangement: URURU
** lyrics:
** vocals: {{lang|ja|梨菜}}
** original title: {{lang|ja|廃獄ララバイ}}
** source: {{SA}}

* {{Track|07|{{lang|ja|お燐と行く地獄見学ツアー}}|??:??|lyrics=Lyrics: お燐と行く地獄見学ツアー}}
** ''The [[Rin Kaenbyou|Orin]] Hell Tour''
** arrangement: 2P_Yu
** lyrics:
** vocals: {{lang|ja|もりくまちよこ}}
** original title: {{lang|ja|死体旅行　～}} Be of good cheer!
** source: {{SA}}

* {{Track|08|{{lang|ja|鏡花水月}}|??:??|lyrics=Lyrics: 鏡花水月}}
** ''Looking Through Rose-tinted Glasses''
** arrangement: URURU
** lyrics:
** vocals: {{lang|ja|星 遥歌}}
** original title: {{lang|ja|旧地獄街道を行く}}
** source: {{SA}}

* {{Track|09|the green eye|??:??|lyrics=Lyrics: the green eye}}
** arrangement: 2P_Yu
** lyrics:
** vocals: {{lang|ja|相川なつ}}
** original title: {{lang|ja|緑眼のジェラシー}}
** source: {{SA}}

* {{Track|10|{{lang|ja|約束}} (Off Vocal)|??:??|lyrics=Lyrics: 約束}}
** ''Promise (Off Vocal)''
** arrangement: {{lang|ja|絶対零度}}
** original title: {{lang|ja|少女さとり ～}} 3rd eye
** source: {{SA}}

* {{Track|11|{{lang|ja|無意識の海へ沈みゆく}} (Off Vocal)|??:??|lyrics=Lyrics: 無意識の海へ沈みゆく}}
** ''Sinking into the Sea of Subconscious (Off Vocal)''
** arrangement: 2P_Yu
** original title: {{lang|ja|ハルトマンの妖怪少女}}
** original title: {{lang|ja|ラストリモート}}
** source: {{SA}}

* {{Track|12|{{lang|ja|見果てぬ空}} (Off Vocal)|??:??|lyrics=Lyrics: 見果てぬ空}}
** ''Endless Sky (Off Vocal)''
** arrangement: URURU
** original title: {{lang|ja|暗闇の風穴}}
** source: {{SA}}

* {{Track|13|{{lang|ja|七色未来}} (Off Vocal)|??:??|lyrics=Lyrics: 七色未来}}
** ''Seven-colored Future (Off Vocal)''
** arrangement: URURU
** original title: {{lang|ja|封じられた妖怪 ～}} Lost Place 
** source: {{SA}}

* {{Track|14|{{lang|ja|蜃気楼の中}} (Off Vocal)|??:??|lyrics=Lyrics: 蜃気楼の中}}
** ''Within a Mirage (Off Vocal)''
** arrangement: {{lang|ja|絶対零度}}
** original title: {{lang|ja|ハートフェルトファンシー}}
** source: {{SA}}

* {{Track|15|{{lang|ja|天魔狂乱}} (Off Vocal)|??:??|lyrics=Lyrics: 天魔狂乱}}
** ''Demonic Frenzy (Off Vocal)''
** arrangement: URURU
** original title: {{lang|ja|廃獄ララバイ}}
** source: {{SA}}

* {{Track|16|{{lang|ja|お燐と行く地獄見学ツアー}} (Off Vocal)|??:??|lyrics=Lyrics: お燐と行く地獄見学ツアー}}
** ''The [[Rin Kaenbyou|Orin]] Hell Tour (Off Vocal)''
** arrangement: 2P_Yu
** original title: {{lang|ja|死体旅行　～}} Be of good cheer!
** source: {{SA}}

* {{Track|17|{{lang|ja|鏡花水月}} (Off Vocal)|??:??|lyrics=Lyrics: 鏡花水月}}
** ''Looking Through Rose-tinted Glasses (Off Vocal)''
** arrangement: URURU
** original title: {{lang|ja|旧地獄街道を行く}}
** source: {{SA}}

* {{Track|18|the green eye (Off Vocal)|??:??|lyrics=Lyrics: the green eye}}
** arrangement: 2P_Yu
** original title: {{lang|ja|緑眼のジェラシー}}
** source: {{SA}}

}}