Eight years after the battle for the Book of Omniscience, the peaceful lives of Touma, Rintaro, Mei and Kento are troubled by a mysterious new Falchion who can seemingly erase people from existence altogether!
Yoko Miyama works as a doctor at Touto Hospital. She specializes in brain aneurysms in the neurosurgery department. Yoko Miyama becomes involved with her colleagues, including Kengo Kuroiwa, Sachiko Kozukue, and Takuma Nishigoori. Meanwhile, she suffers from guilt for abandoning her family.
Okuhara Natsu was born in Tokyo in 1937. In 1945, she loses both parents to war and becomes an orphan, but her father’s comrade, Shibata Takeo, takes her in and moves to Tokachi in Hokkaido. In an unfamiliar land surrounded by unfamiliar people, Natsu feels lost at first, but surrounded by Tokachi’s vast nature and its strong, yet compassionate people, she grows up to be a strong girl. When Natsu enters elementary school, she meets Yamada Tenyo who draws lovely pictures of horses. Tenyo tells her that in America, animation in which pictures move is becoming popular, Natsu’s curiosity is piqued. Upon graduating high school, Natsu goes to Tokyo to look up her brother, and takes a jump into the world of animation.
Kenji Amo is a 2nd generation Japanese-American. He was born in America, but went to school in Japan. He returned to America to study at UCLA. Now, Kenji Amo works as a reporter for a newspaper in the Little Tokyo area of Los Angeles. Charlie Tamiya also studied at UCLA with Kenji Amo. Charlie Tamiya has feeling for Nagiko who works with Kenji Amo at the same newspaper company. Knowing that, Kenji Amo holds complicated feelings. At this time, Nagiko's friend Emi Hatanaka asks Kenji Amo to marry her. He accepts her proposal, but the Pacific War begins. Circumstances surrounding Kenji Amo changes.
When Takuma Kakinouchi was 8-years-old, he spent time in the hospital. He made friends with Mayu Taneda who was the same age as him. One day, they got out of the hospital and visited a park. There, Takuma Kakinouchi and Mayu Taneda promised that they would marry each other. They had no doubt that they would have a future together. 7 years later, Takuma Kakinouchi entered a prestigious high school at the age of 15. During the high school welcoming ceremony, a female freshman representative goes up to the platform. Takuma Kakinouchi is shocked to see that the girl is Mayu Taneda. Just so she could be with Takuma Kakinouchi, Mayu Taneda studied extremely hard to enter the same prestigious high school. Takuma Kakinouchi has tried to avoid her, even though he loves her. When he was younger, he heard how long he would live.
The two main characters, Katsumi and Isami Minato, are brothers who live with their younger sister and father who runs a specialty store. One day, they found the R/B Gyro and R/B Crystals, which transforms Katsumi into Ultraman Rosso and Isami into Ultraman Blu.
A mysterious woman appears in front of Otaro Dojima. The mysterious woman has a pale face with red lips. She kisses him and he dies, but the next moment he regains consciousness. He realizes he is now seven days in the past. The mysterious woman also follows him. Due to her kiss, Otaro Dojima dies and goes back to the past over and over again.
Minegishi Kiara is a Japanese child actor who was born in Saitama, Japan.