Los trabajadores de las instalaciones de Fukushima Daiichi en Japón arriesgan su vida a diario permaneciendo en la central nuclear para evitar su desintegración total después de que la región haya sido totalmente devastada por un terremoto y un posterior tsunami en 2011.
Dollmaker Haruhiko Kasukabe, nicknamed Haru-san, lost his wife Ruriko in an airplane crash 22 years ago and has been living with his only daughter Furi since then. It is the day of Furi's wedding. However, Furi only told Haruhiko about the wedding a month before. Since the bridegroom had some trouble at his overseas job, he was only able to return to Japan the day of the wedding, so Haruhiko has not met him even once. What kind of man did Furi choose to marry, and why did she hide such an important thing for so long...!? Haruhiko, worrying over all this, shuts himself in his room and decides not to go to the wedding... then, something completely unexpected happens to him. His late wife Ruriko appears before him. The truth is, she has appeared at Haruhiko's side many times before. What could be Ruriko's goal...
A mysterious international crime organization makes a demand of 900 million yen from the Japanese government for the release of hostages. The group then targets a victory parade of a world sports game to commit indiscriminate terror.
A news report circulates about a man who died after being kicked by a horse on a small island located 300km away from Tokyo. National Police Agency director Takeru Kanbe assigns Vice Director Mineaki Kai the task of making sure rumors surrounding the incident are fully investigated. Soon, partners Ukyo Sugishita and Tooru Kai are dispatched to the island to conduct the investigation. When Ukyo and Tooru arrive on the island, which is privately owned by a wealthy businessman, they discover a unit of former Self-Defense Forces personnel who have set up a small community as they participate in training exercises. While Ukyo initially expected to be investigating an accidental death, he quickly becomes convinced it was actually murder. However, when they finally manage to uncover conclusive evidence of this, the soldiers attack.
Hibiki y Asumu están en camino a un ataque de Makamou en la playa. Una vez que llegan allí, ven a docenas de personas huyendo del enorme Orochi, una bestia que se rumorea que es el Makamou más fuerte jamás creado. Una vez que llegan, Hibiki camina hacia Orochi y se transforma, pero todos sus ataques resultan inútiles contra Orochi. La situación se vuelve aún más grave cuando Hibiki salta en el camino de un ataque destinado a Asumu. Tomando toda la fuerza del ataque, Hibiki se desmaya cuando el Orochi nada, dejando a Asumu aterrorizado para pedir ayuda. Hibiki termina en el hospital y Asumu comienza a culparse por las heridas de Hibiki. Sintiéndose inútil, comienza a ayudar en Tachibana's, revisando docenas de libros para tratar de descubrir una manera de derrotar a los Orochi. Al encontrarse con un libro con su nombre, Asumu se sienta y comienza a leer lo que resulta ser la historia de la guerra de Takeshi, los Oni y Makamou.
