Ayaka City is a peaceful place where ordinary life is disrupted when a giant monster appears. Ushio Minato, who runs the clothing store Quattro M, has two sons, Katsumi and Isami, who are caught up in the rampage of the fire monster. When a moment of desperation comes, the curtain opens on a story of families as the two brothers gain the ability to become Ultraman.
Despite his younger brother taking the ability to become Ultraman in stride, Katsumi is afraid of the power he’s obtained. Their younger sister, Asahi, whose catchphrase is “Happy♪”, uses her healing nature to help the two brothers, who have clashed over their views. Suddenly, a monster appears and Isami is unable to move when he’s pinned down.
The three siblings visit the passionate Makoto Aizen, president of AizenTech, a company located in Ayaka City and are enchanted by their displays of cutting-edge technology. It’s then revealed that the mother of the three siblings was once doing “specific research” for AizenTech. During their visit, a giant monster with the ability to turn items into stone attacks.
Back in high school, Katsumi was a pitcher for his high school’s baseball team. The eldest of the Minato siblings gave up on his dreams when their mother disappeared so as to support his family. Katsumi shows off his burning fighting spirit in a retirement match for a local baseball team’s coach. Katsumi is injured during a battle with a monster and uses the coach’s words and skills as a pitcher to find renewed determination in his mission as Ultraman.
A young girl named Yuuha Ninomiya has a burning desire to fly in the sky, but the wings that she developed at her university only continue to fail her. Despite her failures, Isami will come to her aid and help her with her wings! Just at that moment, another kaiju, Gue-Basser appears in the city! Isami will gain the courage and the strength to fight alongside his newfound wind! Go for it, Isami! Ultraman Blu!
Katsumi Minato (Ultraman Rosso) & Isami Minato (Ultraman Blu) get surprised at the reunion with a girl, Kaoru Komaki, who looked after them in the childhood. But a monster suddenly appears and takes her away.
Isami Minato (Ultraman Blu) gets scared to transform after he experienced the near death of a civilian. After knowing this, Katsumi Minato (Ultraman Rosso) decides to face the enemy alone. Will Isami be able to recover?
Ultraman Rosso (Katsumi Minato) & Ultraman Blu (Isami Minato) are the ones who are protecting the earth. Makoto Aizen suddenly calls the brothers, gives them something and showing his true identity. Finally Ultraman Orb Dark appears!
After knowing the True Aim of Ultraman Orb Dark (Makoto Aizen), Ultraman Rosso (Katsumi Minato) & Ultraman Blu (Isami Minato) who have got defeated previously return for another match.
When Minato Family had planned for a picnic, crossing the limits, that person appears once again. Ultraman Rosso and Blu will need to face a new threat.
True Hero appears before the people in despair. His name is Ultraman Orb Dark Noir Black Schwarz.
Me being the only one who doesn't know this secret doesn't make me happy at all! Asahi, Katsumi, and Isami regroup and talk to each other after a very fierce fight...
Two new R/B Crystals have been found by Asahi after being offended by her father's words. Her two brothers who witnessed this, start to argue with their father about all this contention.
The Ultra Brothers find themselves in a life-or death situation when they rise up against Grigio King! Just then, their little sister Asahi rushes towards them...!
Just who am I...? Asahi confesses herself to the mysterious woman, Saki Mitsurugi. Just then, a kaiju with the ability to cut family ties suddenly appears...!
Asahi finds that no one is showing up to her Halloween party, so she decides to travel through the stars to gather as many people and aliens as she can. She starts to make preparations for one bizarre party...
A director of NPTV tries to get a chance to fix a TV Program whose popularity is going down. For this he decides to broadcast the struggle of Ushio Minato. The same evil hands moves towards Asahi Minato.
Asahi is stuck inside a giant Space Robot. Katsumi and Isami search for her but they encounter Saki Mitsurugi. They are already full of distrust towards her.
Asahi reveals to her brothers Saki Mitsurugi’s past, who had just stolen from them their own R/B Gyro’s! Katsumi somewhat sympathizes with Saki, while Isami is actually angry at her. Suddenly, the kaiju Gomora appears in the city! When Katsumi sets out to take back his R/B Gyro from Saki however, she transforms herself into Grand King Megalos, and stands before them! Katsumi and Isami are both in trouble now that none of them can transform…
The battle between the two Ultra Brothers and Saki Mitsurugi, who transformed into a kaiju, was long and hard with no clear winner. But shortly afterwards, Saki visits the two brothers at Quattro M! Although Katsumi proposes that they all work together to save the world from destruction, Saki refuses to respond, and instead begins to tell them the story behind their mother, Minato Miu’s disappearance! And an inescapable, centuries-old battle will start once again…
All the way from the other dimension, their long-lost mother, Mio Minato finally returns to the family! It seems that Mio was finally able to escape the grasp of the vicious kaiju, Kamisori Demaaga, and reunite with her family after 15 long years! Ushio is extremely impressed by what she has done, however Katsumi and the others, who haven’t known their mother for very long, seem somewhat confused. Just then, Saki Mitsurugi feels the pulse of the Earth’s ray energy, and the vicious kaiju, Kamisori Demaaga’s excavation towards the Earth’s core! Saki intends to destroy Kamisori Demaaga in order to protect the precious energy, however…
Ayaka City is a peaceful place where ordinary life is disrupted when a giant monster appears. Ushio Minato, who runs the clothing store Quattro M, has two sons, Katsumi and Isami, who are caught up in the rampage of the fire monster. When a moment of desperation comes, the curtain opens on a story of families as the two brothers gain the ability to become Ultraman.
Reugosite has finally arrived on Earth as he begins to rampage in attempts to destroy the entire planet! Saki transforms into Grigio Regina and faces off against him in a decisive battle to end it all! While fighting against Reugosite, she gathered all of the energy from the R/B Crystals into her own body, to prepare for a suicide takedown of Reugosite! Ultraman Rosso and Ultraman Blu suddenly appear in the midst of the battle to pressure Saki to not go through with her plan! The two Ultra Brothers stand in between them in a desperate attempt to protect Saki from Reugosite…
Saki Mitsurugi exhausted all of her efforts in trying to destroy Reugosite, but sadly dies as another casualty of his reach! Ultraman Rosso and Ultraman Blu angrily fight against Reugosite, but Mio who has seen the future and knows that at some point the two Ultraman will be forced out of their transformations and will die! Knowing that her children are about to die, Mio quickly initiates her plans to trap Reugosite beyond the other dimension, but the two Ultra Brothers are still struggling with their transformation! Will the fate of the Minato Brothers end in despair, or in hope...?!