{{MusicArticle
| titlejp     =論理演算子
| titlejprom  =ronri enzanshi
| titleen     =Logical Operators
| group       =[[東方事変|touhoujihen]] ({{lang|ja|東方事変}})
| groupCat    =touhoujihen
| released    =2020-10-18
| convention  =Autumn Reitaisai 7
| tracks      =3
| length      = 
| genre       ={{Genre|Vocal}}, {{Genre|Rock}}
| website     =
| image       =論理演算子.jpeg
| arranger    =; Arrangement, Instruments, Programming
:NSY
| lyricist    =; Lyrics and Vocals
:IZNA
| vocalist    =
| producer    =
| illustrator =
| designer    =
| masterer    =
| other_staff =

| description =
| autogendesc = vocal

| tracklist   =

*{{Track|01|{{lang|ja|論理演算子}}| |lyrics=Lyrics: 論理演算子}}
** ''Logical Operators''
**arrangement: NSY
**lyrics: IZNA
**vocals: IZNA
**original title: {{lang|ja|古きユアンシェン}}
**source: {{TD}}

*{{Track|02|真・新規テキストドキュメント(1)| |lyrics=Lyrics: 新規テキストドキュメント}}
**''(Final)New Text Document(1)''
**arrangement: NSY
**lyrics: IZNA
**vocals: IZNA
**original title: {{lang|ja|妖怪裏参道}}
**source: {{TD}}
**first release: [[ニューサドマゾヒズム]]

*{{Track|03|{{lang|ja|今更ながら。}}({{lang|ja|メロウ}} ver.)| |lyrics=Lyrics: 今更ながら。}}
**''Though It's Too Late. (Mellow ver.)''
**arrangement: NSY
**lyrics: IZNA
**vocals: IZNA
**original title: {{lang|ja|紅楼　～}} Eastern Dream...
**source: {{EoSD}}
**first release: [[悦楽バージン]]
}}