Zaion: I Wish You Were Here (あなたがここにいてほしい, Anata ga koko ni Itehoshii) is a four-episode Japanese science fiction original video animation (OVA) released by Gonzo in 2001. The story is set in the near future, when a spaceborne virus threatens Earth by turning humans into violent creatures. Enhanced soldiers fight a losing war against these creatures to ensure the survival of the human race. The series was directed by Seiji Mizushima and written by Natsuko Takahashi. Music for the series was composed by Kenji Kawai. Zaion has been licensed for English-language release in North America, the United Kingdom, and Australia.
The story of Zaion is set four years after a meteorite introduces a virus that irreversibly alters the molecular structure of the human body and turns its victims into violent creatures. In an effort to eradicate the infestation that has claimed 3 percent of the human population, the Committee of the Universal Resolution of Ecocatastrophe (CURE) creates a unit of soldiers whose bodies have been introduced with nanomachines. These soldiers, wearing Nano Osmolar Armor (NOA), engage the victims in direct combat. As the missions begin to take a toll on the unit's ranks,
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