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Movie Info & Details
Release Year2025
Runtime1h 49m
LanguageJapanese
CertificationNR
GenresDrama
Votes—
DirectorTomoya Itabashi
WritersTomoya Itabashi
TypeFeature Film
Rating0.0 out of 10
Cast5 credited
Also Known AsHow to Build a Secret Base
About How to Build a Secret Base
When 50-year-old Kenichi and his childhood friends reunite at the funeral of their classmate, they decide to bring a long-forgotten dream back to life—the "secret base construction plan" they'd drawn up as kids. They have just six days that summer to build their hideout without cars, electric tools or smartphones. Rediscovering the spirit of their youth, the men throw themselves into the challenge with all their hearts. Still, they are unable to escape the struggles they face as adults.
Directed by Tomoya Itabashi, How to Build a Secret Base leans on a strong ensemble — Hiromasa Hirosue, Takehiko Fujita, Kozo Sato — to carry a story that balances spectacle with character.
The film landed with audiences for its craft and performances, and remains one of the most talked-about drama titles of 2025.
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