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· Trailer · Official
cocoon - One Summer of Girlhood (2026)
Official English Trailer
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.
20 cast members
Marika Ito
Hikari Mitsushima
Yoko Hikasa
Rena Motomura
Chinatsu Akasaki
Aoi Koga
Yume Miyamoto
Izumi Aoyagi
Miyuki Sawashiro
Umeka Shoji