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!

Genres

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)