A pioneering roboticist awakens in 2025 after decades in cryosleep. To change the past and reunite with his adopted sister, he seeks a way back to 1995.
In 2030, AI is everywhere including the medical field, finance and security. Artificial intelligence has become essential in people's lives. They have come to completely trust AI, but artificial intelligence becomes out of control and it causes disaster.
Kazuhiko Takano and Ryoichi Taoka are industrial spies for the secretive organization AN Tsuushin. They are are in a struggle over information on state of the art solar energy development that many other countries are seeking. A conspiracy exits behind the technology which can shake the political and economic world in Japan. Kazuhiko Takano faces Korean spy Kim, a mysterious woman Ayako and powerful men from various countries.
Miyuki Asakawa tells her colleague Etsuko Yamagiwa that she has a ghost in her home. When Etsuko goes to Miyuki's home, there is only Miyuki's father there. Etsuko becomes worried about Miyuki's state of mind and takes her to the psychiatric hospital where her husband Tatsuo works. There, Miyuki receives a diagnosis that she lacks the concept of family. Later, Etsuko tells her husband Tatsuo that she is not comfortable with Dr. Jiro Makabe. Tatsuo introduced her to Dr. Jiro Makabe earlier at the hospital. Etsuko has a feeling of unease about her husband working with Dr. Jiro Makabe. One day, Etsuko hears Dr. Jiro Makabe state I came to Earth to invade.
In the story, the seasons have changed and it will soon be the second spring. Tatsuya and Miyuki have finished their first year at First Magic High School and are on their spring break. The two go to their villa on the Ogasawara Island archipelago. After only a small moment of peace a lone young woman named Kokoa appears before them. She has abandoned the Naval base and she tells Tatsuya her one wish.