Doukou

Artist

 Plastic Tree

Single

 Doukou

Released

 2013.09.04

Catalog Number

  VICL-36817 (Regular Edition)
  VIZL-566   (Type-B Limited Edition)
  VIZL-565   (Type-A Limited Edition)

Regular Edition CD Tracklist

 1. Doukou (瞳孔)
 2. Jikansaka (時間坂)
 3. Airen (アイレン)
 4. Doukou (Instrumental) (瞳孔 (Instrumental))

Type-B Limited Edition CD & DVD Tracklist

 CD
 1. Doukou (瞳孔)
 2. Airen (アイレン)
 3. Airen (Akira Nakayama Remix) (アイレン (Akira Nakayama Remix))
 4. Doukou (Instrumental) (瞳孔 (Instrumental))
 DVD
 1. 「Doukou」Music Video ~light and shadow edition~ (「瞳孔」Music Video~light and shadow edition~)

Type-A Limited Edition CD & DVD Tracklist

 CD
 1. Doukou (瞳孔)
 2. Jikansaka (時間坂)
 3. Jikansaka (Akira Nakayama Remix) (時間坂 (Akira Nakayama Remix))
 4. Doukou (Instrumental) (瞳孔 (Instrumental))
 DVD
 1.「Doukou」Music Video (「瞳孔」Music Video)

Information "Doukou" is the 34st single released by Plastic Tree. It was released in tree different versions: two limited CD+DVD editions (A & B) and one regular CD only edition. Limited edition A comes with a DVD of the title song's music video while limited edition B comes with a DVD of the title song's alternative music video "「Doukou」Music Video ~light and shadow edition~".