{{MusicArticle
| titlejp     =東方イノセントキーの本気
| titlejprom  =Touhou Inosento Kii no Honki
| titleen     =Touhou Serious Innocent Key
| group       =[[Innocent Key]]
| groupCat    =Innocent Key
| released    =2010-08-14
| convention  =Comiket 78
| tracks      =17
| genre       ={{Genre|Vocal}}
| length      =01:18:06
| catalogno   =IK-14
| website     =[http://movieplanet.dyndns.org/~Innocent_Key/discog.php?page=14 Link]
| image       =IK-14.jpg
| banner      =IK-14banner.png
| arranger    =yohine ([[Innocent Key]])
: {{溝口ゆうま}} ([[Innocent Key]])
: {{秀三}} ([[Zekken-ya]])
: nyanyannya ([http://www.team-nekokan.com/tetuxneko/ Team.{{lang|ja|ねこかん}}[{{lang|ja|猫}}<nowiki>]</nowiki>])
: gak ([[Innocent Key]])
: sou ([[Sound CYCLONE]])
| lyricist    ={{大瀬良あい}} ([[Innocent Key]])
: {{ココ}} ([[Innocent Key]])
: {{溝口ゆうま}} ([[Innocent Key]])
: {{秀三}} ([[Zekken-ya]])
: nyanyannya ([http://www.team-nekokan.com/tetuxneko/ Team.{{lang|ja|ねこかん}}[{{lang|ja|猫}}<nowiki>]</nowiki>])
: gak ([[Innocent Key]])
| vocalist    =[[3L]]
: {{小宮真央}} ([[Asterisk@]])
: {{秀三}} ([[Zekken-ya]])
: {{大瀬良あい}} ([[Innocent Key]])
: shihori ([[A-One]])
: nyanyannya ([http://www.team-nekokan.com/tetuxneko/ Team.{{lang|ja|ねこかん}}[{{lang|ja|猫}}<nowiki>]</nowiki>])
: yonji ([[Girl's short hair]])
: Rayna
: Nimo
: {{コツキミヤ}} ([[ALLEGORY WORKS]])
: {{ランコ}} ([[BUTAOTOME]])
: {{真野紫}}
: {{ココ}} ([[Innocent Key]])
| illustrator ={{lang|ja|一葉一茶}}
| other_staff =
; Guitar
: {{秀三}} ([[Zekken-ya]])
: sham ([http://www.team-nekokan.com/tetuxneko/ Team.{{lang|ja|ねこかん}}[{{lang|ja|猫}}<nowiki>]</nowiki>])
: {{溝口ゆうま}} ([[Innocent Key]])
; E.Piano
: sou ([[Sound CYCLONE]])
; Bass
: sou ([[Sound CYCLONE]])
| description =It features vocal and instrumental arrangements of themes from ''[[Phantasmagoria of Dim.Dream]]'', ''[[Lotus Land Story]]'', ''[[Embodiment of Scarlet Devil]]'', ''[[Perfect Cherry Blossom]]'', ''[[Imperishable Night]]'', ''[[Mountain of Faith]]'', ''[[Subterranean Animism]]'', ''[[Undefined Fantastic Object]]'', ''[[Double Spoiler]]'', ''[[Eastern and Little Nature Deity (CD)|Eastern and Little Nature Deity]]'' and ''[[Seihou Project]]''<nowiki>'</nowiki>s ''[[Shuusou Gyoku]]''.
| tracklist   = 

* {{Track|01|{{lang|ja|叙聖のクオリア ～}}Subterranean rose{{lang|ja|～}}|04:47|lyrics=Lyrics: 叙聖のクオリア ～Subterranean rose～}}
** ''Qualia of Ordination ~Subterranean rose~''
** arrangement: yohine
** lyrics: {{大瀬良あい}}, {{ココ}}
** vocals: 3L
** original title: {{lang|ja|ラストリモート}}
** original title: {{lang|ja|ハルトマンの妖怪少女}}
** source: {{SA}}

* {{Track|02|Synapse Receptor|04:50|lyrics=Lyrics: Synapse Receptor}}
** arrangement: {{溝口ゆうま}}
** lyrics: {{溝口ゆうま}}
** vocals: {{小宮真央}}
** original title: {{lang|ja|幽雅に咲かせ、墨染の桜　～}} Border of Life 
** source: {{PCB}}

* {{Track|03|{{lang|ja|甘い夢、魔性の林檎}}|03:18|lyrics=Lyrics: 甘い夢、魔性の林檎}}
** ''Sweet Dream, Devilish Apple''
** arrangement: {{秀三}}
** lyrics: {{秀三}} 
** vocals: {{秀三}}
** guitar: {{秀三}}
** original title: Bad Apple!!
** source: {{LLS}}

* {{Track|04|{{lang|ja|燐火 ～亡き者への揺籃歌～}}|03:30|lyrics=Lyrics: 燐火 ～亡き者への揺籃歌～}}
** ''Will-o'-the-Wisp ~Lullaby for the Dead~''
** arrangement: {{溝口ゆうま}}
** lyrics: {{大瀬良あい}}
** vocals: {{大瀬良あい}}
** original title: {{lang|ja|廃獄ララバイ}}
** source: {{SA}}

* {{Track|05|{{lang|ja|幻想森精宴}}|04:11|lyrics=Lyrics: 幻想森精宴}}
** ''Illusionary Banquet of the Forest Sprites''
** arrangement: yohine
** lyrics: {{ココ}}
** vocals: shihori
** original title: {{lang|ja|サニールチルフレクション}}
** source: {{EaLND|CD}}

* {{Track|06|{{lang|ja|狂宴葬奏 ～}}Rhapsody{{lang|ja|～}}|03:22|lyrics=Lyrics: 狂宴葬奏 ～Rhapsody～}}
** ''Lunatic Banquet Burial Song ~Rhapsody~''
** arrangement: nyanyannya
** lyrics: nyanyannya
** vocals: nyanyannya
** guitar: sham
** original title: Demystify Feast
** source: {{IaMP}}
** original title: {{lang|ja|ネクロファンタジア}}
** source: {{PCB}}

* {{Track|07|{{lang|ja|ブクレシュティの人形師 ～}}Evolve Mix{{lang|ja|～}}|04:55}}
** ''The Doll Maker of Bucuresti ~Evolve Mix~''
** arrangement: yohine
** original title: {{lang|ja|ブクレシュティの人形師}}
** source: {{PCB}}

* {{Track|08|Eternia|04:00|lyrics=Lyrics: Eternia}}
** arrangement: gak
** lyrics: gak
** vocals: yonji
** original title: {{lang|ja|神々が恋した幻想郷}}
** source: {{MoF}}

* {{Track|09|Float|04:23|lyrics=Lyrics: Float}}
** arrangement: {{溝口ゆうま}}
** lyrics: {{溝口ゆうま}}
** vocals: Rayna
** original title: {{lang|ja|U.N.オーエンは彼女なのか？}}
** source: {{EoSD}}

* {{Track|10|LUVincaRnatioN|05:49|lyrics=Lyrics: LUVincaRnatioN}}
** arrangement: yohine
** lyrics: {{ココ}}
** vocals: Nimo, {{コツキミヤ}}
** original title: Reincarnation
** source: {{PoDD}}

* {{Track|11|{{lang|ja|不夜城レッド}}|05:09|lyrics=Lyrics: 不夜城レッド}}
** ''Nightless Red Quarters''
** arrangement: {{溝口ゆうま}}
** lyrics: {{溝口ゆうま}}
** vocals: {{ランコ}}
** guitar: {{溝口ゆうま}}
** original title: {{lang|ja|亡き王女の為のセプテット}}
** source: {{EoSD}}

* {{Track|12|{{lang|ja|朝霧の夜明け}}|04:39|lyrics=Lyrics: 朝霧の夜明け}}
** ''Morning Mist Dawn''
** arrangement: yohine
** lyrics: {{ココ}}
** vocals: {{真野紫}}
** original title: {{lang|ja|妖怪の山　～}} Mysterious Mountain
** source: {{MoF}}
** original title: {{lang|ja|無間の鐘　～}} Infinite Nightmare
** source: {{DS}}

* {{Track|13|{{lang|ja|らぶっちゅ}}☆CHIREIDEN|04:24|lyrics=Lyrics: らぶっちゅ☆CHIREIDEN}}
** ''Love-chu☆[[Subterranean Animism]]''
** arrangement: yohine
** lyrics: {{ココ}}
** vocals: {{ココ}}
** original title: {{lang|ja|少女さとり　～}} 3rd eye
** original title: {{lang|ja|ハートフェルトファンシー}}
** source: {{SA}}

* {{Track|14|Purple Slit{{lang|ja|は雨に濡れて}}|05:37}}
** ''The Purple Slit Gets Wet in the Rain''
** arrangement: yohine feat. sou
** e.piano: sou
** bass: sou
** original title: {{lang|ja|ネクロファンタジア}}
** source: {{PCB}}

* {{Track|15|Erosion {{lang|ja|～境界の理～}}<Instrumental>|05:43}}
** ''Erosion ~Border of Truth~ <Instrumental>''
** arrangement: yohine, {{溝口ゆうま}}
** guitar: {{溝口ゆうま}}
** original title: {{lang|ja|幽霊楽団　～}} Phantom Ensemble
** source: {{PCB}}

* {{Track|16|Concealed.<Instrumental>|04:17}}
** arrangement: {{溝口ゆうま}}
** guitar: {{溝口ゆうま}}
** original title: {{lang|ja|夜空のユーフォーロマンス}}
** original title: {{lang|ja|平安のエイリアン}}
** source: {{UFO}}

* {{Track|17|{{lang|ja|幻想カレイドスコープ}}<Instrumental>|05:12}}
** ''Kaleidoscope of Illusions <Instrumental>''
** arrangement: yohine
** original title: {{lang|ja|東方妖恋談}}
** source: {{PoDD}}
** original title: {{lang|ja|二色蓮花蝶　～}} Ancients
** source: {{SG}}
** original title: {{lang|ja|少女綺想曲　～}} Dream Battle
** source: {{IN}}

}}