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cocoon - One Summer of Girlhood poster

cocoon - One Summer of Girlhood

Original title: cocoon～ある夏の少女たちより～

20261hReleased

Animation
Drama
War
TV Movie

San and Mayu are two schoolgirls living in Okinawa during the closing months of the Pacific War. Together with their classmates, the two friends are drafted into the war effort as nurses for wounded soldiers. When ordered to die for their country, the remaining members of the group escape only to face the harsh environment of a tropical paradise that has become a hellish battlefield.

Director: Yukimitsu Ina
Released: 4 September 2026
Studio: Sasayuri, NHK Enterprises, NHK
IMDb: View listing

Trailer

Top Cast

Marika Ito
San (voice)
Hikari Mitsushima
Mayu (voice)
Yoko Hikasa
Tamaki (voice)
Rena Motomura
Hina (voice)
Chinatsu Akasaki
Mari (voice)

Aoi Koga

Yuri (voice)

Yume Miyamoto

Kaede (voice)

Izumi Aoyagi

Shiho (voice)

Miyuki Sawashiro

Kaho (voice)

Umeka Shouji

Sensei (voice)

Maria Abo

(voice)

Akane Amasawa

(voice)

Yui Arai

(voice)

Saaya Okutomo

(voice)

Hayato Kimura

(voice)

Saki Kobari

(voice)

Rei Sonoda

(voice)

Norihito Hase

(voice)

Junpei Baba

(voice)

Hinano

(voice)

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Where to Watch

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cocoon - One Summer of Girlhood (2026) | 123 Movies