cocoon - One Summer of Girlhood(2026)
cocoon～ある夏の少女たちより～
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.
- Director:
- Yukimitsu Ina
- Writers:
- Machiko Kyo, Yukimitsu Ina, Taku Kishimoto
- Producers:
- Hitomi Tateno
- 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
Marika Ito
as San (voice)
Hikari Mitsushima
as Mayu (voice)
Yoko Hikasa
as Tamaki (voice)
Rena Motomura
as Hina (voice)
Chinatsu Akasaki
as Mari (voice)
Aoi Koga
as Yuri (voice)
Yume Miyamoto
as Kaede (voice)
Izumi Aoyagi
as Shiho (voice)
Miyuki Sawashiro
as Kaho (voice)
Umeka Shoji
as Sensei (voice)
Maria Abo
as (voice)
Akane Amasawa
as (voice)
Key crew
Directed by Yukimitsu Ina, written by Machiko Kyo, Yukimitsu Ina and Taku Kishimoto, produced by Hitomi Tateno.
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cocoon - One Summer of Girlhood – Frequently Asked Questions
Where can I watch cocoon - One Summer of Girlhood online?
+
cocoon - One Summer of Girlhood (2026) is available to stream on Anime Times Amazon Channel and dAnime Amazon Channel. Streaming availability is checked against JustWatch data and can change by region.
Who stars in cocoon - One Summer of Girlhood?
+
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?
+
cocoon - One Summer of Girlhood was released on September 4, 2026 and runs for 1h.
Is there a trailer for cocoon - One Summer of Girlhood?
+
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.