cocoon - One Summer of Girlhood poster
Where to stream

cocoon - One Summer of Girlhood

20261h MovieAnimationDramaWar

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.

DirectorYukimitsu Ina
WritersYukimitsu Ina·Taku Kishimoto
ProducerHitomi Tateno

Where to watch

Not available in Australia
Streaming in 1 other country

cocoon - One Summer of Girlhood isn't on any streaming service in Australia right now, but it's available in Japan. Streaming rights are licensed per country.

Cast · Directed by Yukimitsu Ina

MIMarika Ito
Marika Ito
San (voice)
HMHikari Mitsushima
Hikari Mitsushima
Mayu (voice)
YHYoko Hikasa
Yoko Hikasa
Tamaki (voice)
RMRena Motomura
Rena Motomura
Hina (voice)
CAChinatsu Akasaki
Chinatsu Akasaki
Mari (voice)
AKAoi Koga
Aoi Koga
Yuri (voice)
YMYume Miyamoto
Yume Miyamoto
Kaede (voice)
IAIzumi Aoyagi
Izumi Aoyagi
Shiho (voice)
MSMiyuki Sawashiro
Miyuki Sawashiro
Kaho (voice)
USUmeka Shoji
Umeka Shoji
Sensei (voice)
MAMaria Abo
Maria Abo
(voice)
AAAkane Amasawa
Akane Amasawa
(voice)

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cocoon - One Summer of Girlhood — streaming FAQ

Which OTT platform streams cocoon - One Summer of Girlhood?

cocoon - One Summer of Girlhood isn't on any streaming service in Australia yet, but it's available in Japan. Streaming rights differ by country — switch your country in the header to see where.

Is cocoon - One Summer of Girlhood on Netflix?

No, cocoon - One Summer of Girlhood is not on Netflix in Australia as of September 2026.

Is cocoon - One Summer of Girlhood on Amazon Prime Video?

No, cocoon - One Summer of Girlhood isn't on Amazon Prime Video in Australia right now.

Where can I watch cocoon - One Summer of Girlhood for free?

cocoon - One Summer of Girlhood isn't streaming in Australia yet, so there's no way to watch it free at the moment.

Is cocoon - One Summer of Girlhood based on a true story?

Yes — cocoon - One Summer of Girlhood is based on true events, dramatising real people and events (some details may be fictionalised for the screen).