Violence Jack: Jigoku Gai-hen
English title: Violence Jack: Evil Town
Japanese title: バイオレンス ジャック 〜地獄街編〜
Type: OVA
Episodes: 1
Source: Manga
Genres: Action, Drama, Horror
Studios: Studio 88
Producers: Japan Home Video, Dynamic Planning, Soeishinsha
Duration: 58 min
Rating: R+ - Mild Nudity

The World as we know it has been torn apart shattered by a series of natural disasters that have turned civilization into a brutish nightmare of survival and has left whole cities buried beneath the Earth. It's now a lethal and chaotic place, a place where only the strongest and most savage remain alive. The strongest of them all is a giant warrior known as Violence Jack…

Violence Jack tries to avert a civil war brewing among the wretched inhabitants of a subterranean metropolis called Evil Town. Based on a character created by manga horror specialist, Go Nagai.

(Source: AniDB)