The cynical butler, Sora Otosumi lives alone in a mansion with the innocent and carefree young lady, Yuna Mizuki. The two lead elegant lives, but they harbor a secret. Otosumi transforms into Kamen Rider MY-TH to fight mysterious monsters known as Fukashigi, and effortlessly defeats these creatures like a mouse. Around the same time, the Zyunishi Doumei (The Twelve Animal Signs Alliance), who also fight the Fukashigi, awaken from their 100-year slumber. Their leader is none other than a cat?! The alliance has begun to realize that their prey is being stolen. The battle between mouse and cat begins now!

Kamen Rider MY-TH (2026)

★ 8.5/10 September 6, 2026 1 season

Action & AdventureSci-Fi & Fantasy

The cynical butler, Sora Otosumi lives alone in a mansion with the innocent and carefree young lady, Yuna Mizuki. The two lead elegant lives, but they harbor a secret. Otosumi transforms into Kamen Rider MY-TH to fight mysterious monsters known as Fukashigi, and effortlessly defeats these creatures like a mouse. Around the same time, the Zyunishi Doumei (The Twelve Animal Signs Alliance), who also fight the Fukashigi, awaken from their 100-year slumber. Their leader is none other than a cat?! The alliance has begun to realize that their prey is being stolen. The battle between mouse and cat begins now!

Trailer

Cast

Ikuho Akiya Sora Otosumi / Kamen Rider MY-TH Hayate Ataka Tatsuomi Asao / Kamen Rider RID Riko Horikawa Yuna Mizuki Keisuke Higashi Kamuri Minetaka / Kamen Rider MAOU Shunya Kaneko Tigre / Kamen Rider TIGRE Nanako Ando Datt / Kamen Rider DATT Kosei Tsubokura Jyao / Kamen Rider JYAO Joey Iwanaga Vanken / Kamen Rider VANKEN Kasumi Hasegawa Mutn / Kamen Rider MUTN Rento Nishiyama Kei / Kamen Rider KEI Hirofumi Suzuki Ende Hiroshi Shirokuma Ryuzu (voice)