Official movie poster for cocoon - One Summer of Girlhood (2026), a animation drama film

cocoon - One Summer of Girlhood(2026)

cocoon~ある夏の少女たちより~

7.5(2)1h2026-09-04
AnimationDramaWar

cocoon - One Summer of Girlhood Synopsis

San and Mayu attend an all-girls school on a warm and tranquil island. When war reaches their shores, they are ordered to help nurse the wounded in a military hospital hidden away in a cave. Amidst escalating death and brutality, the friends struggle to find solace in their fragile lives.

cocoon - One Summer of Girlhood (2026) is a animation, drama and war film directed by Yukimitsu Ina, released on September 4, 2026 with a runtime of 1h. It stars Marika Ito, Hikari Mitsushima, Yoko Hikasa and Rena Motomura. Viewers rate it 7.5 out of 10 across 2 ratings.

Director:
Yukimitsu Ina
Writers:
Machiko Kyo, Yukimitsu Ina, Taku Kishimoto
Producers:
Hitomi Tateno, Kohei Nehyo
Cinematographer:
Jiro Tazawa
Composer:
Kensuke Ushio
Production:
Sasayuri, NHK Enterprises, NHK
Status:
Released

cocoon - One Summer of Girlhood (2026) Trailer

Watch the official trailer for cocoon - One Summer of Girlhood before you stream it.

cocoon - One Summer of Girlhood Videos & Clips

Official trailers, teasers, clips and featurettes for cocoon - One Summer of Girlhood.

Official English Trailer

Trailer

Official Trailer [Subtitled]

Trailer

cocoon - One Summer of Girlhood Cast & Crew

Main cast

Key crew

Directed by Yukimitsu Ina, written by Machiko Kyo, Yukimitsu Ina and Taku Kishimoto, produced by Hitomi Tateno and Kohei Nehyo.

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cocoon - One Summer of Girlhood Reviews & Ratings

Average viewer score of 7.5/10 from 2 ratings.

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cocoon - One Summer of Girlhood – Frequently Asked Questions

Where can I watch cocoon - One Summer of Girlhood online?

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cocoon - One Summer of Girlhood (2026) is currently available to rent or buy from Amazon Video, Apple TV Store and Fandango At Home. No subscription streaming option is listed right now, so availability may change.

Who stars in cocoon - One Summer of Girlhood?

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The main cast of cocoon - One Summer of Girlhood (2026) includes Marika Ito, Hikari Mitsushima, Yoko Hikasa, Rena Motomura and Chinatsu Akasaki. The film was directed by Yukimitsu Ina. You can see the full cast and crew list, with character names, further up this page.

When was cocoon - One Summer of Girlhood released?

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cocoon - One Summer of Girlhood was released on September 4, 2026 and runs for 1h.

Is cocoon - One Summer of Girlhood worth watching?

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cocoon - One Summer of Girlhood (2026) holds an average rating of 7.5 out of 10 from 2 viewer votes, and is a good pick if you enjoy animation, drama and war films. Read the viewer reviews on this page to decide for yourself.

Is there a trailer for cocoon - One Summer of Girlhood?

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Yes. The official cocoon - One Summer of Girlhood trailer is embedded in the trailer section of this page and plays instantly, no download or sign-up required.