Ultraman R/B: Series

The peaceful city of Ayase is suddenly attacked by a monster, Grigio Bone. The Minato Katsumi and Isami brothers, are embroiled in this fire-breathing monster's rampage. When they thought it were the end... gaining the power to transform into Ultraman 

While younger brother Isami is ecstatic about his new powers, elder brother Katsumi on the other hand was in fear of this great power. The brothers' opinions collide. But yet another monster appears and Isami is trapped under rubble, unable to move! 

The three siblings visit President Makoto Aizen of the enterprise "Aizentech" in Ayase city. There, they are surprised to learn that their missing mother had been working with President Aizen on some research in the past. 

Katsumi was a well-known pitcher during his high school years. He unwillingly turned down the offer to play professional in order to support his family. Katsumi is determined to accomplish his missions as a pitcher, as well as Ultraman. 

Yuha Ninomiya continued to fail and injure herself with her wings invented in college. Nagisa Isami gets involved with his classmate's reckless challenge and both aim high for the sky, until storm-producing monster Guebasser appears. 

Her name is Kaoru Komaki. an ex-cop who Katsumi and Isami were very fond of as children. Friend and foe, they are excited to meet for the first time in 4 years. But soon enough, she is captured by Mecha Gomora. 

Isami, can't transform into Ultraman Blu!? Thinking of how he could have had his childhood benefactor killed during the recent battle, Isami is stricken with horror. Kazami faces the monster alone. Can Isami stand up again to confront the enemy! 

The Ultraman brothers, Rosso and Blu, are praised by the citizens as protectors of Ayase city. But there is one person who cannot forgive them two; he is the city's superstar, Makoto Aizen. 

The brothers Katsumi Minato and Isami Minato was defeated completely by Ultraman Orb Dark. After that, Orb Dark started to take hold in the minds of people in Ayaka city! 

Taking break from the battles, brothers Katsumi and Isami enjoyed a rare day off with their family. At the very time, "that guy" suddenly appeared in front of them again breaking the peace. Their new challenge, Monster Horoboro 

When people were in despair after the brothers Ultraman were defeated by monster Horoboros, a real hero appeared. The name is "Ultraman Orb Dark Noir Black Schwartz"! 

Makoto Aizen is in a big hurry for the monster Horoboros being uncontrolled. What does the brothers Ultraman, Katsumi and Isami have to protect? When they stand up again, the second half of the story "Ultraman R/B" will change radically! 

Sister Asahi pressed hard to brothers Katsumi and Isami. Katsumi and Isami told her the memories of the intense battles, the encounter with R/B Gyro, all the crises and their growth overcoming these challenges. 

Asahi Minato meets the mysterious girl Saki Mitsurugi. Asahi found there was two R/B crystals in front of her. When the brothers saw that, they started arguing again due to their differences on opinion! 

Defeated by enemy Grigio King, brothers Ultraman Katsumi and Isami fight even harder. In such a desperate situation, their sister Asahi rushes to the scene. When her words are heard by the brothers a golden Ultraman is born! 

Asahi left home! She made the decision because she could not find evidence supporting that she is a part of the Minato family. Meanwhile, Transparent Monster Neronga appears to rip apart the family's bond! 

On Halloween alien Dada couldn't find guests to attend a party, while Asahi couldn't find a place to hold a party. When the two met, they plan to hold a fantastic party together until Dada finds out that Asahi is the sister of the two Ultraman! 

Alien Mefilas, the director of space channel NPTV, is looking for a solution to save the low ratings. When Saki Mitsurugi's declaration of using Earth as a bomb to defeat Leugocyte went into his ears, he sees it as the perfect chance.

Asahi was captured into the body of Space Robot King Joe! Her brothers, Katsumi and Isami, met Saki Mitsurugi during the search for their sister. Although they still don't trust Saki, they decided to work together for the same goal: save Asahi. 

The R/B Gyros was taken away from the brothers Ultraman by Saki Mitsurugi. From their sister, Asahi, the brothers learnt the past of Saki. 

The battle between the brothers Ultraman and the monster transformed by Saki Mitsurugi ended in a draw. However, after the battle Katsumi tries to convince Saki to put their powers together and save Earth. Saki shows no interest in the idea. 

The brother Ultramans' mother finally comes back from another dimension! Although Kamisori Demaaga came with her by accident, she was able to run away from the monster and meet her family for the first time after 15 years.  

The monster Leugocyte finally arrives on Earth! Mio, tries to seal Leugocyte into a blank crystal and the plan works out. Mio is just about to throw them to the other dimension, she’s interrupted by Saki, who insists on destroying Leugocyte completely. 

Leugocyte finally shows its real powers, destroying the city. Saki Mitsurugi transforms into Grigio Regina and fights with Leugocyte. 

Saki lost her life in front of Leugocyte, the monster that started everything. Ultraman Rosso and Blu fought back in anger, but was forced to turn back to human by Mio.