The fourth and final entry in the Girls Remix series, Kamen Rider Eins with Girls Remix, will stream on the Toei Tokusatsu Fan Club in January 2026. The story introduces Kamen Rider Eins, an entirely original Rider who does not belong to any existing series. Her name derives from the German word eins, meaning “one,” symbolizing the birth of a female counterpart to the very first Kamen Rider.

The Girls Remix project first began with Kamen Rider Jeanne & Kamen Rider Aguilera with Girls Remix in August 2022. It continued with Kamen Rider Majade with Girls Remix in May 2025 and the Halloween special released in October of the same year.

The new heroine transforming into Kamen Rider Eins is Nayuta Mikazuki, a classmate of Rinne Kudo who is currently studying abroad. Previously introduced in Kamen Rider Majade with Girls Remix, Nayuta was kidnapped by Sumire Kurono. After the incident, she joined the Girls Remix group and grew through her encounters with Kamen Riders. Nayuta is played by Amane Tensho, the 20-year-old second daughter of Hiroshi Fujioka, who portrayed Takeshi Hongo, the original Kamen Rider, in 1971. Her casting as the “female No.1” Rider holds symbolic weight. Moreover, Amane’s older brother Maito portrayed Takeshi Hongo in the 2021 film Kamen Rider Beyond Generations, making her the third Rider within the Fujioka family.

The series will also introduce Kamen Rider Fatal, whose appearance closely resembles Kamen Rider Femme from Kamen Rider Ryuki Episode Final, the first female Rider in franchise history. Fatal dons a jet-black suit and confronts Eins and the Girls Remix team. The character transforms from Sumire Kurono, portrayed by Arisa Komiya, who previously played Yoko Usami, the Yellow Buster, in Tokumei Sentai Go-Busters. This marks her long-awaited debut transformation into a Kamen Rider.

Characters returning from the earlier Girls Remix entries include Rinne Kudo (Reiyo Matsumoto), Akiko Narumi (Hikaru Yamamoto), Reika Shindai (Mei Angela), Hana Natsuki (Hikari Kabashima), Sara Sakurai (Nene Shida), Nozomi Takai (Kanon Miyahara), and Sawa Takigawa (Yukari Taki). How the Girls Remix team will face their strongest enemy yet, Kamen Rider Fatal, is a key point of anticipation.

The theme song, titled Red Re-born, will be performed by popular rock band Do As Infinity, marking their first contribution to the Kamen Rider franchise.

The composer for the theme is KENJI03 of BACK-ON (credited as “Hi-yunk”), who also composed the opening theme for Kamen Rider Gotchard. Insert songs feature compositions by ZENTA, known for many Do As Infinity tracks. Lyrics for both the theme and insert songs were written by Shoko Fujibayashi, whose work spans numerous Kamen Rider openings.

Comment from Amane Tensho

I never imagined that at the milestone age of twenty I would become a Kamen Rider. I was simply overjoyed. I grew up watching my father’s work as Kamen Rider No.1, so transforming as the very first female Rider is a great honor. I felt deeply moved thinking that something my father began at the very start is now being carried forward by me.

Source : ORICON NEWS