UNDERGIRL (2026): Cast, Story and Release Details

Prepared by Movies Dock Editorial

UNDERGIRL is a new feature film created by Jun Takahashi and his label UNDERCOVER PRODUCTION, expanding on the brand's 2011 "UNDERMAN" fictional superhero mythology. The film follows Yuri Ibuki, the daughter of the hero UNDERMAN, who must…

UNDERGIRL (2026) is presented here through its confirmed story and production details. UNDERGIRL is a new feature film created by Jun Takahashi and his label UNDERCOVER PRODUCTION, expanding on the brand's 2011 "UNDERMAN" fictional superhero mythology. The film follows Yuri Ibuki, the daughter of the hero UNDERMAN, who must step into her destiny and become UNDERGIRL after her father mysteriously disappears.

UNDERGIRL movie details

Story without spoilers

UNDERGIRL is a new feature film created by Jun Takahashi and his label UNDERCOVER PRODUCTION, expanding on the brand's 2011 "UNDERMAN" fictional superhero mythology. The film follows Yuri Ibuki, the daughter of the hero UNDERMAN, who must step into her destiny and become UNDERGIRL after her father mysteriously disappears.

What to expect

The published premise is the clearest spoiler-free guide to what viewers can expect.

Cast and creative team

Directed by Katsuhide Morimoto. Writing credits include Tetsuya Nagato, Katsuhide Morimoto, Mako Mizutani, Jun Takahashi. The listed cast includes Sena Nakajima, Ryuhei Matsuda, Kiko Mizuhara, Mitsuko Baisho.

• Sena Nakajima as Yuri Ibuki / UNDERGIRL
• Ryuhei Matsuda as UNDERMAN
• Kiko Mizuhara
• Mitsuko Baisho

Release and production context

The listed release date is 2026-09-14. Production countries: Japan. Spoken languages: Japanese.

Production companies: her inc., UNDERCOVER PRODUCTION

Movies Dock view

This guide keeps the focus on confirmed information about UNDERGIRL, without adding unverified plot or viewing claims.

Film data:
TMDB