Where to watch
Not available in United States
Streaming in 1 other country
Detective Story: A Brother's Rule isn't on any streaming service in United States right now, but it's available in Japan. Streaming rights are licensed per country.
Cast · Directed by Shun Inagaki
More from Kunie Tanaka · Lead actor
More from Yūzō Kayama · Co-star actor
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Detective Story: A Brother's Rule — streaming FAQ
Which OTT platform streams Detective Story: A Brother's Rule?
Detective Story: A Brother's Rule isn't on any streaming service in United States yet, but it's available in Japan. Streaming rights differ by country — switch your country in the header to see where.
Is Detective Story: A Brother's Rule on Netflix?
No, Detective Story: A Brother's Rule is not on Netflix in United States as of September 2026.
Is Detective Story: A Brother's Rule on Amazon Prime Video?
No, Detective Story: A Brother's Rule isn't on Amazon Prime Video in United States right now.
Where can I watch Detective Story: A Brother's Rule for free?
Detective Story: A Brother's Rule isn't streaming in United States yet, so there's no way to watch it free at the moment.
