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Poster for cocoon - One Summer of Girlhood

cocoon - One Summer of Girlhood

2026 · 60 min

A quiet, harrowing coming-of-age story where gentle island days give way to the claustrophobic dread of wartime suffering.

Directed by
Yukimitsu Ina
Genres
Animation, Drama, War
Starring
Marika Ito, Hikari Mitsushima, Yoko Hikasa
Overview
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.

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In the UKNo streaming, rental or purchase options known.
Directed by
Yukimitsu Ina
Genres
Animation, Drama, War
Starring
Marika Ito, Hikari Mitsushima, Yoko Hikasa
In your watch list

How it feels

Written by AI. It can be wrong.

Tone
    Pacing
    measured, 2 of 4, from slow-burn to relentless
    Attention
    engaged, 3 of 4, from background-friendly to demanding
    Themes
    • war
    • friendship
    • death
    • survival
    • trauma
    Places
    • school
    • hospital
    • countryside
    Era
    period
    Audience
    teen
    Form
    • true story
    Content intensity
    • Gore mild
    • Language mild
    • Violence strong
    • Sex none
    All scales, 0 to 10
    Scales, 0 to 10
    ScaleValue0 to 10
    Action3
    Horror4
    Humour1
    Realism7
    Romance1
    Tension7
    Darkness8
    Complexity5
    Emotional weight9

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    Where to watch in the UK

    No UK streaming, rental or purchase options are known.

    Streaming data from JustWatch.TMDB

    Details

    Genres
    animation, drama, war
    Directed by
    Yukimitsu Ina
    Written by
    Yukimitsu Ina, Taku Kishimoto
    Starring
    Marika Ito, Hikari Mitsushima, Yoko Hikasa, Rena Motomura, Chinatsu Akasaki, Aoi Koga, Yume Miyamoto, Izumi Aoyagi
    Music
    Kensuke Ushio
    Cinematography
    Jiro Tazawa
    Runtime
    60 min
    Country
    Japan
    Languages
    Japanese

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