Blame! Prologue
Japanese title: BLAME! (2007)
Type: OVA
Source: Manga
Episodes: 2
Status: Finished Airing
Aired: Sep 7, 2007
Duration: 4 min per ep
Rating: PG-13 - Teens 13 or older
Studios: Production I.G
Producers: Geneon Entertainment
Genres: Action, Sci-Fi
Themes: Mecha

Based on the manga Blame! by Nihei Tsutomu, serialised in Monthly Afternoon.

In a city that is said to have thousands of levels, making it impossible to tell the sky from the ground, the mysterious Killy wanders the bizarre and foreboding levels of this mega-structure, where the boundaries between machine and living organism have been obscured.

(Source: AniDB)