cocoon - One Summer of Girlhood
San and Mayu are two schoolgirls living in Okinawa during the closing months of the Pacific War. Together with their classmates, the two friends are drafted into the war effort as nurses for wounded soldiers. When ordered to die for their country, the remaining members of the group escape only to face the harsh environment of a tropical paradise that has become a hellish battlefield.
Directed by Yukimitsu Ina · Animation · Drama · War · 60 min · 2026
Trailer
Director
Yukimitsu Ina
Studio
Sasayuri / NHK Enterprises
Release
2026-09-04
Runtime
60 min
Genres
Animation, Drama, War, TV Movie
Full Plot
San and Mayu are drafted into the war effort with their class mates as nurses during the closing months of the Pacific War. they escape only to face the harsh environment of a tropical paradise that has become a hellish battlefield.
Cast & Characters
San (voice)
Marika Ito
Mayu (voice)
Hikari Mitsushima
Tamaki (voice)
Yoko Hikasa
Hina (voice)
Rena Motomura
Mari (voice)
Chinatsu Akasaki
Yuri (voice)
Aoi Koga
Did You Know?
Critical Assessment
cocoon - One Summer of Girlhood is newly added and doesn't yet have enough aggregated ratings data to summarize.
Not enough independent critic/audience score breakdown available.
Ratings as of August 12, 2026
AI Verdict
AI-generatedToo early for a meaningful verdict — check back as ratings data comes in via the site's daily refresh.
Frequently Asked Questions
Is cocoon - One Summer of Girlhood good? What are critics saying?+
cocoon - One Summer of Girlhood is newly added and doesn't yet have enough aggregated ratings data to summarize.
How long is cocoon - One Summer of Girlhood?+
cocoon - One Summer of Girlhood has a runtime of 60 min.
Who directed cocoon - One Summer of Girlhood?+
cocoon - One Summer of Girlhood was directed by Yukimitsu Ina.
Fan & Critic Buzz
The public reaction to "Cocoon - One Summer of Girlhood" is overwhelmingly positive, with comments indicating high praise for the film's art style and historical accuracy. Many have expressed emotional distress and empathy after witnessing scenes from the Battle of Okinawa, where high school students were put in harm's way. Some reviewers also noted that the film accurately depicts a lesser-known aspect of history.
From the trailer's comments
GUYS READ THE DESCRIPTION--LEGIT GHIBLI LEGENDS WORKED ON THIS!!!!🎉
@princessthyemis · 837 likesContext of the film's setting: The Himeyuri students aka "Lily Corps" was a group of 222 students and 18 teachers of the First Okinawa Girls' High School and Okinawa Women's Normal School formed into a nursing unit. After being told that the invasion will be easily won and swift,…
@sarinadragoness · 1197 likesThe founder of SASAYURI was a former Studio Ghibli employee, that explains why the art style is heavily inspired.
@AJgudino44 · 165 likesHaving read pretty extensively about the Battle of Okinawa, I can tell this is going to crush me emotionally
@DankGank · 361 likesEDIT: I can't believe this really happened. They put not just civilians but high school students in the front line of one of the most horrific battles in history? This is equivalent to using child soldiers.
@Inkan1969 · 95 likesmy heart broke a little watching this, knowing where the manga goes... so excited for this.
@josh2263 · 186 likesWhen I was younger, I used live on Okinawa when my dad was still in the Marines. The schools in the US bases would take us to the many of the memorial museums about the many battles of Okinawa, one of those historically landmarks we were shown on the school trips were one of the…
@GTheOrangeDragoness · 222 likesMade by real human producers. We see the emotions as proof.
@truelionofhylia8152 · 225 likes
