Sousei Kishi Gaiarth
English title: Genesis Survivor Gaiarth
Japanese title: 創世機士ガイアース
Type: OVA
Episodes: 3
Source: Original
Genres: Action, Adventure, Fantasy, Sci-Fi
Studios: AIC, Studio Kyuuma, Big Bang
Producers: Artmic
Duration: 46 min per ep
Rating: PG-13 - Teens 13 or older

Gaiarth - a world devastated by a cataclysmic war, where pockets of humanity struggle to survive amidst the wreckage of technologies made magical by ignorance.

Gaiarth - a world where artificially intelligent machines doggedly pursue their programmed imperatives: to protect, or destroy, humanity.

Gaiarth - a world in which an old and terrible evil has reawakened, threatening to once again bring forth Armageddon!

(Source: AniDB)