The cynical servant Sora Otosumi, lives alone in a mansion with the innocent and carefree young lady, Yuna Mizuki. The two lead elegant lives but harbor a dark secret… that is to defeat the mysterious race of monsters known as the Fukashigi. Sora transforms into Kamen Rider My-Th and defeats these mysterious creatures with his mouse powers.
Meanwhile, the members of the Zyunishi Doumei, all sworn to fight against the Fukashigi, have risen from their 100-year long slumber. However their leader is… a cat?!
The alliance has begun to realize that their prey is being stolen. And so the battle between cat and mouse begins now!
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Episode 1
The Mouse Meister and the Young Lady
Long ago, the Twelve Animal Signs formed the Zyunishi Doumei (The Twelve Animal Signs Alliance) to protect humanity from mysterious lifeforms known as FUKASHIGI. Preparing for an inevitable battle against…
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Episode 2
The Running Tortoise and Modern Hare
As Tatsuomi, who had infiltrated the Mizuki household as a tutor, continued his investigation, a new Fukashigi emerged. Sora transforms into My-Th, but just then, Datt appears. Datt transforms into…
- Episode 3 Meow, the Black Cat Rider of Justice Yuna meets Shiori, a girl whose father has gone missing in the city, and deduces that it’s the work of a Fukashigi. Sora also begins his own investigation. Tatsuomi, who…
- Episode 4 The Wolf Has a Hidden Agenda In order to bring Shiori’s father back, Sora and Yuna are working tirelessly to combat the Fukashigi. After discovering a clue, Sora asks Tatsuomi for help. The Fukashigi reappears. Sora…
- Episode 5 Either a Dog or a Snake "If we don't have that, Yuna's in big trouble!" Tatsuomi is suspicious of Sora, who is unusually open about his emotions. Just then, Yuna sends them new Fukashigi information. Sora…
- Episode 6 Become an Eagle! After analyzing the Fukashigi that had fled, Sora left Yuna, who was complaining of feeling unwell, behind and set off in pursuit of it alongside Tatsuomi. When Sora transforms into…
- Episode 7 The Hammer of the Angered Sheep An unprecedentedly powerful Fukashigi appears, and My-Th finds even his finishing move blocked. He must defeat the Fukashigi for Yuna’s sake... Sora challenges the Fukashigi, which has reappeared. Furious at…
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Episode 8
A Cornered Rat Will Bite a Cat
My-Th suffers a crushing defeat at the hands of Maou, with no way to fight back. Sora is left on the brink of death. Tatsuomi asks Yuna, who is staying…
- Episode 9 Big Brother Tiger’s Intensive Training Reon, a senior of Sae, was attacked by a Fukashigi and vanished. Sora, Tatsuomi, and Yuna began an investigation with the help of Tokihito and the others. They finally discovered…
- Episode 10 Episode 10