Film

cocoon - One Summer of Girlhood

2026 · 1h · Animation · Drama · War

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.

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)

• Yukimitsu InaDirector · Screenplay
• Taku KishimotoScreenplay
• Hitomi TatenoProducer
• Jiro TazawaDirector of Photography
• Kensuke UshioOriginal Music Composer
• Masahiro GotoEditor

Official Trailer [Subtitled]

Release date

September 4, 2026

Status

Released

Original language

Japanese

Runtime

1h

Genres

Animation, Drama, War, TV Movie

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