Watch Online: HENSHIN THE FIRST (2026)

Discover the Origin Story of Kamen Rider Eins

Get ready to witness an extraordinary transformation in HENSHIN THE FIRST (2026), an upcoming Japanese action-drama that explores the genesis of one of the franchise's most compelling characters. This innovative film takes viewers on an intimate journey into the heart of ambition, identity, and supernatural power—told from a fresh and unique perspective you won't want to miss.

What is HENSHIN THE FIRST (2026)?

"Strong, Beautiful, HENSHIN"

HENSHIN THE FIRST offers fans an exclusive look at Nayuta's transformation into Kamen Rider Eins. The story follows a young woman consumed by a lifelong desire to become stronger and more beautiful than anyone else. Yet, she struggles with viewing these ambitions as sinful weaknesses, burying them deep within herself. When a pivotal incident shatters her carefully constructed world, her destiny takes an unexpected turn—leading to the birth of an iconic hero. This isn't just another superhero origin story; it's a character-driven exploration of desire, transformation, and redemption.

Release Date & Availability

HENSHIN THE FIRST is set to arrive on March 2, 2026. While specific streaming platforms and theatrical release details are still being finalized, fans can expect announcements closer to the official release date. Be sure to bookmark this page to stay updated on where you'll be able to watch online.

Plot Synopsis

Nayuta has harbored one desire since childhood: to be stronger and more beautiful than anyone around her. However, burdened by societal expectations and internal conflict, she labels these ambitions as sinful and locks them away, viewing them as weakness and ugliness. When a life-altering incident disrupts her carefully balanced existence, the barriers she's built begin to crumble. From this moment of transformation emerges Kamen Rider Eins—and with it, a powerful new chapter in the legendary franchise's mythology.

Full Cast & Crew

Starring: Amane Tensho, Akari Okamoto, Rion Takahashi, Yuya Hyoudou, Sora Kawakami, Masataka Iwami, Masaki Kaminosono, and Ran Ohtori

Creative Team:

• Director & Screenplay: Kentaro Hagiwara
• Production Studios: Toei Company, Ishinomori Productions, KATE Tokyo
• Origin: Japan

Film Details

• Genre: Drama, Action
• Runtime: 10 minutes
• Type: Short Film

Where to Watch HENSHIN THE FIRST Online

Information about where to watch HENSHIN THE FIRST (2026)—whether through theatrical release, streaming platforms, or digital purchase—will be announced and updated as we approach the March 2026 release date. Check back regularly for the latest streaming availability information.

Stay Updated on HENSHIN THE FIRST

Interested in learning more about this exciting new entry in the Kamen Rider universe? Sign up for updates and follow along as release information and streaming details become available. Don't miss the origin of Kamen Rider Eins when it arrives in 2026.

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