Summary of the plot: Humanity is wiped out by a genetic species formed to combat a terrible infection. One of the scientists places his young daughter in cryogenic slumber in the hopes that she will awaken one day and encounter surviving humans, allowing her to promote peace between them and the genetic beings known as Enterrans. At the impact of a meteorite, the girl, Yakumo, was given exceptional abilities, and the Enterrans became evil as a result of the impact. When she awakens 500 years later, she embarks on her trip and is joined by three Enterrans. She slowly uncovers the truths of the past, as well as what happened to her home planet in reality, with their help.