Animation veteran and Studio 4°C collaborator Koji Morimoto teamed up with techo artist Ken Ishii for this AMV.

"EXTRA" is a random cross talk about computer, music, images, and Internet by two authors working on their first collaboration in techno music and animation. This short animation which is stored on CD-ROM and immediately shakes the viewer with question as to what the word of the title, "EXTRA," means.

(Source: AniDB)