{{MusicArticle
| titlejp     =
| titlejprom  =
| titleen     =Perfect Square
| group       =[[Yuzuki Tei]]
| groupCat    =Yuzuki Tei
| image       =YDKT-0002.jpg
| banner      =
| released    =2004-12-30
| convention  =Comiket 67
| catalogno   =YDKT-0002
| tracks      =10
| length      =48:02
| website     =[http://kimikiss.blogspot.com/2007_11_01_archive.html Link]
| illustrator =
| designer    =
| arranger    ={{lang|ja|高瀬裕司}}
: koro
: YDK
| lyricist    =
| vocalist    =
| masterer    =
| producer    =
| tracklist   =
*01. '''Executioner -{{lang|ja|神託を告げる者}}-''' ''(4:58)''
** arrangement: YDK
** original title: {{lang|ja|永遠の巫女}}
** source: {{HRtP}}
*02. '''Oriental Wind''' ''(5:07)''
** arrangement: YDK
** original title: {{lang|ja|博麗　～}} Eastern Wind
** source: {{SoEW}}
*03. '''Reincarnation!! -{{lang|ja|輪廻転生}}-''' ''(5:19)''
** arrangement: YDK
** original title: Reincarnation
** source: {{PoDD}}
*04. '''Underground Waltz''' ''(4:28)''
** arrangement: YDK
** original title: {{lang|ja|禁じざるをえない遊戯}}
** source: {{LLS}}
*05. '''Crimson Dead -Technical Beat-''' ''(5:10)''
** arrangement: YDK
** original title: {{lang|ja|真紅の少女　～}} Crimson Dead!!
** source: {{MS}}
*06. '''Locked Girl''' ''(5:22)''
** arrangement: YDK
** original title: {{lang|ja|ラクトガール　～ 少女密室}}
** source: {{EoSD}}
*07. '''Doll''' ''(5:16)''
** arrangement: YDK
** original title: {{lang|ja|人形裁判　～ 人の形弄びし少女}}
** source: {{PCB}}
*08. '''Cinderella Cage''' ''(3:17)''
** arrangement: YDK
** original title: {{lang|ja|シンデレラケージ　～}} Kagome-Kagome
** source: {{IN}}
*Phantasm-01. '''Spring Beat -Code:YMTB-''' ''(3:57)''
** arrangement: koro
** original title: {{lang|ja|東方妖々夢　～}} Ancient Temple
** source: {{PCB}}
*Phantasm-02. '''{{lang|ja|幽雅に咲かせ、墨染めの桜}}''' ''(5:08)''
** arrangement: {{lang|ja|高瀬裕司}}
** original title: {{lang|ja|幽雅に咲かせ、墨染の桜　～}} Border of Life
** source: {{PCB}}
}}