{{MusicArticle
| titlejp     =限界パラドックス
| titlejprom  =genkai paradokkusu
| titleen     =Boundary Paradox
| group       =[[東方事変|touhoujihen]] ({{lang|ja|東方事変}})
| groupCat    =touhoujihen
| groupCat2   =
| groupCat3   =
| groupCat4   =
| released    =2016-12-29
| convention  =Comiket 91
| tracks      =9
| length      =39:12
| catalogno   =THJH-006
| genre       ={{Genre|Vocal}}, {{Genre|Instrumental}}, {{Genre|Rock}}, {{Genre|Pop}}, {{Genre|Electronic}}
| website     =[http://www.touhoujihen.net/genkai.html Link]
| image       =THJH-006.jpg
| banner      =
| arranger    =NSY
| lyricist    =IZNA
| vocalist    =
| producer    =
| illustrator =
| designer    =
| masterer    =
| other_staff =
; Arrangement
:NSY
:MiYAMO
; Lyrics & Vocals
:IZNA
; Vocals (Track 04)
:{{下和田ヒロキ}}
; Illustration & Design
:IZNA
; All Instruments & Programming
:NSY
; Recording, Mixing & Mastering
:NSY

| description =It features vocal arrangements of themes from ''[[Perfect Cherry Blossom]]'', ''[[Imperishable Night]]'', ''[[Mountain of Faith]]'', ''[[Ten Desires]]'', ''[[Double Dealing Character]]'' and ''[[Magical Astronomy]]''. 

A music video for track 07 "{{lang|ja|夜あけの晩}}" and a lyrics video for 01 "{{lang|ja|パラノイア}}" were uploaded by the circle to Youtube and can be viewed [https://www.youtube.com/watch?v=uLSU4bfnMCg here] and [https://www.youtube.com/watch?v=yQFB5jQs9iw here] respectively. The album was distributed alongside a bonus disc called [[Lyrics: len ~錬~|len ~錬~]].

| tracklist   =

*{{Track|01|{{lang|ja|パラノイア}}|04:27|lyrics=Lyrics: パラノイア (touhoujihen)}}
**''Paranoia''
**arrangement: NSY
**lyrics: IZNA
**vocals: IZNA
**lyrics video: [https://www.youtube.com/watch?v=yQFB5jQs9iw Youtube video]
**original title: {{lang|ja|ネクロファンタジア}}
**source: {{PCB}}

*{{Track|02|revoltech|04:15|lyrics=Lyrics: revoltech}} <ref name="one" />
**arrangement: NSY
**lyrics: IZNA
**vocals: IZNA
**original title: {{lang|ja|不思議なお祓い棒}}
**source: {{DDC}}

*{{Track|03|{{lang|ja|歓びの種}}|04:40|lyrics=Lyrics: 歓びの種}}
**''Seed of Happiness''
**arrangement: NSY
**lyrics: IZNA
**vocals: IZNA
**original title: {{lang|ja|プレインエイジア}}
**source: {{IN}}

*{{Track|04|{{lang|ja|満潮}}-manchou-|04:01|lyrics=Lyrics: 満潮}}
**''High Tide''
**arrangement: NSY
**lyrics: IZNA
**vocals: IZNA, {{下和田ヒロキ}}
**original title: {{lang|ja|秘境のマーメイド}}
**source: {{DDC}}
**first release: [[ビョウ]] (with IZNA on vocals only)

*{{Track|05|{{lang|ja|贖}}|04:10|lyrics=Lyrics: 贖}} <ref name="two" />
**''Redemption''
**arrangement: NSY
**lyrics: IZNA
**vocals: IZNA
**original title: {{lang|ja|懐かしき東方の血　～}} Old World
**source: {{IN}}

*{{Track|06|{{lang|ja|生写}}-ikiutsushi-|05:49|lyrics=Lyrics: 生写-ikiutsushi-}}
**''Sketch''
**arrangement: NSY
**lyrics: IZNA
**vocals: IZNA
**original title: {{lang|ja|リジッドパラダイス}}
**source: {{TD}}

*{{Track|07|{{lang|ja|夜あけの晩}}|03:40|lyrics=Lyrics: 夜あけの晩}} <ref name="three" />
**''The Night of Dawn''
**arrangement: NSY
**lyrics: IZNA
**vocals: IZNA
**music video: [https://www.youtube.com/watch?v=uLSU4bfnMCg Youtube video]
**original title: {{lang|ja|妖々夢　～}} Snow or Cherry Petal
**source: {{PCB}}

*{{Track|08|emptytime|03:22|lyrics=Lyrics: emptytime}}
**arrangement: NSY
**lyrics: IZNA
**vocals: IZNA
**original title: {{lang|ja|神々が恋した幻想郷}}
**source: {{MoF}}

*{{Track|09|{{lang|ja|パラドックス}}|04:48|lyrics=Lyrics: パラドックス}}
**''Paradox''
**arrangement: NSY
**lyrics: IZNA
**vocals: IZNA
**original title: G Free
**source: {{MA}}

| notes       =
== Notes ==
{{Reflist|refs=
<ref name="one">Track 02 "revoltech" was originally released on the single [[revoltech]] released earlier the same year.</ref>
<ref name="two">Track 05 "{{lang|ja|贖}}" was originally released on the single [[贖]] released earlier the same year.</ref>
<ref name="three">Track 07 "{{lang|ja|夜あけの晩}}" was originally released on the single [[夜あけの晩]] released earlier the same year.</ref>
}}

| review      =
| print_references =
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