Poster for cocoon - One Summer of Girlhood

cocoon - One Summer of Girlhood

2026 · 60 min · Animation, Drama, WarNR

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.

Writers
Yukimitsu Ina, Taku Kishimoto
Released
September 4, 2026
Language
Japanese
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Streaming data from JustWatch, via TMDB.

cocoon - One Summer of Girlhood · Wrap Party