CinemaOSMovie · 2026 · 1h 0m
cocoon - One Summer of Girlhood
80%(1)IMDbAnimationDramaWar

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.

Directed byYukimitsu Ina

Play
Status
Released
Runtime
1h 0m
Language
JA
Released
September 4, 2026
Studios
NHK EnterprisesNHKSasayuri

Watch the

Trailers & teasers

2 videos
Official English Trailer

Official English Trailer

Official Trailer [Subtitled]

Official Trailer [Subtitled]

Featuring

Cast & crew

10 credited
Starring
Marika Ito

Marika Ito

San (voice)

Hikari Mitsushima

Hikari Mitsushima

Mayu (voice)

Yoko Hikasa

Yoko Hikasa

Tamaki (voice)

Rena Motomura

Rena Motomura

Hina (voice)

Chinatsu Akasaki

Chinatsu Akasaki

Mari (voice)

Aoi Koga

Aoi Koga

Yuri (voice)

Yume Miyamoto

Yume Miyamoto

Kaede (voice)

Izumi Aoyagi

Izumi Aoyagi

Shiho (voice)

Miyuki Sawashiro

Miyuki Sawashiro

Kaho (voice)

Umeka Shoji

Umeka Shoji

Sensei (voice)

Creative team
Directed by
Yukimitsu Ina
Yukimitsu Ina
Written by
Yukimitsu Ina
Yukimitsu Ina
Taku Kishimoto
Produced by
Hitomi Tateno
Kohei Nehyo

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