Parasite Eve (パラサイト・イヴ, Parasaito Ivu) is a Japanese science fiction novel by Hideaki Sena, first published by Kadokawa in 1995. The book was published in North America by Vertical, Inc. in 2005.Parasite Eve was adapted into a film and manga series. It was later expanded into two video games that serve as a detached sequel to the novel, along with a spin-off third videogame. The video games have also been adapted into a manga series as well.