Injuu Daikessen
English title: Mission of Darkness
Japanese title: 淫獣大決戦
Type: OVA
Source: Unknown
Episodes: 1
Status: Finished Airing
Aired: Sep 1, 1997
Duration: 42 min
Rating: Rx - Hentai
Studios: Momoi Planning
Producers: Pink Pineapple
Licensors: NuTech Digital
Genres: Hentai

In this adult anime from Japan, a meteorite strikes Earth, and mayhem begins. Women are found murdered all over Japan, and the evidence points to aliens killing and depositing sperm in the victims. When the government tries to step in, they only make things worse, but suddenly an enormous Venus arrives with what may possibly be a solution...

(Source: Gavin Nelson)