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Cocoon: One Summer of Girlhood

Play trailer Poster for Cocoon: One Summer of Girlhood 1h 25m Drama War Anime Play Trailer Watchlist
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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.

Cast & Crew

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Yukimitsu Ina

Director

Marika Itô

Sun

Yoko Hikasa

Voice

Rena Motomura

Voice

Chinatsu Akasaki

Voice

Aoi Koga

Voice
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Cocoon: One Summer of Girlhood

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Movie Info

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.
Director
Yukimitsu Ina
Producer
Hitomi Tateno
Screenwriter
Yukimitsu Ina, Taku Kishimoto
Distributor
GKIDS
Production Co
Sasayuri
Genre
Drama, War, Anime
Original Language
Japanese
Release Date (Theaters)
Sep 4, 2026, Limited
Runtime
1h 25m