Aya lost her memory for some reason and was taken in by the military. She was later discovered to have unique mitochondria. Not only was she immortal, but she also had many unique abilities. The most important skill among them - OverDive (inter-temporal sneaking), is to sneak into the consciousness of anyone at any time. More than two years ago, the alien species - the Twisters - invaded the world, kept multiplying, and wiped out mankind. The army was unable to resist and the defense line was crumbling. So the military used Aya's ability, hoping to sneak into the past human consciousness, and try to change something when the mutation first started... This article is adapted from "Parasite Eve 3; The Third Birthday" The theme song of the article: eyes on me is also the theme song of the game. The game's full CG video http://www. Tudou. Com/programs/view/ZecRX_SePe8PS: The article is very different from the original work, and the characters, background, etc. Are very different.