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MOVIE DECISION GUIDE
cocoon - One Summer of Girlhood
Available in HDUS ↗CAST & DIRECTOR
Directed by Yukimitsu Ina. With Marika Ito, Hikari Mitsushima, Yoko Hikasa.
7.5/10
MOVIHERO RATINGWHAT IT'S ABOUT
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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7.5/10
MOVIHERO RATINGYOUR WATCHLISTSan 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…
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RELEASE SNAPSHOT
Release snapshot for cocoon - One Summer of Girlhood.
MoviHero lists September 4, 2026 as the release date for cocoon - One Summer of Girlhood. Yukimitsu Ina is the listed director. The listed cast includes Marika Ito as San (voice), Hikari Mitsushima as Mayu (voice), Yoko Hikasa as Tamaki (voice), Rena Motomura as Hina (voice). A trailer and 5 stills are available on this page.
Release dateSeptember 4, 2026
GenresDrama · Animation · War · TV Movie
Runtime1h
DirectorYukimitsu Ina
CastMarika Ito as San (voice), Hikari Mitsushima as Mayu (voice), Yoko Hikasa as Tamaki (voice), Rena Motomura as Hina (voice)
TrailerAvailable on this page
Images5 stills
BEFORE YOU PRESS PLAY
Is cocoon - One Summer of Girlhood right for tonight?
Pacing, attention and emotional impact are estimates from the current MoviHero Watch Profile, not verified scene-by-scene reviews.
How much time should I set aside?
cocoon - One Summer of Girlhood runs 1h. Allow extra time for breaks.
Is it slow or fast?
The current MoviHero pacing estimate is 5/10: a middle-ground pace.
Is it a good choice when I am tired?
The attention estimate is 4/10. The profile suggests a lower-demand watch, although preferences vary.
How emotionally intense is it?
The emotional-impact estimate is 6/10, suggesting a moderate emotional load. This does not tell you whether the ending is happy or sad.
MOVIE RATING
MoviHero Rating
MoviHero Rating: 7.5/10 from 2 votes. Updated Nov 3, 2026.
Rating data supplied by TMDB, shown on a 10-point scale. MoviHero audience ratings are calculated separately from scores submitted here.
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OPTION 2
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WHAT WATCHING IT FEELS LIKE
Watch Profile
Seven estimates of the viewing experience, based on the stored Watch Profile. These are separate from the movie rating and are not verified scene-by-scene assessments.
Pacing5/10
Emotional Impact6/10
Mind-Bending2/10
Scary1/10
Violence6/10
Rewatchability6/10
Attention Required4/10
A CLOSER LOOK
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CAST & CREW
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CHARACTERS IN THIS MOVIE
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Reviewed MoviHero character guides connected to this movie.
voiceMayuMayu appears in cocoon - One Summer of Girlhood (2026).Open character guide voiceMariMari appears in cocoon - One Summer of Girlhood (2026).Open character guide voiceHinaHina appears in cocoon - One Summer of Girlhood (2026).Open character guide voiceTamakiTamaki appears in cocoon - One Summer of Girlhood (2026).Open character guide voiceSanSan appears in cocoon - One Summer of Girlhood (2026).Open character guide voiceYuriYuri appears in cocoon - One Summer of Girlhood (2026).Open character guide
SIMILAR GENRES & STORY THEMES
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