As the collection of Johji Manabe's epic Outlanders saga continues, the interstellar war between the Santovasku Empire and the spirits of the Yoma clan has been carried to the Santovasku homeworld after the ancient enemies' struggle has caused the apocalyptic destruction of Earth. While the final battle between the Yoma and Santovasku rages, earthling Tetsuya Wakatsuki must make a desperate attempt to rescue his lover.