Where to watch
Amazon Prime Video
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Amazon Video
Availability shown for United Kingdom · rights vary by countryCast · Directed by Naho Kamimura
More from Rei Hirano · Lead actress
More from You Hasegawa · Co-star actress
More from Naho Kamimura · Director
5 Ways to Socially Kill Your Husband
2023 · 5.0
If Only You Weren't the One
2026 · 5.5
I'm Kishi Knight: Your Private Tutor
2026 · 8.3
Tokyo Holiday
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Our Dining Table
2023 · 8.2
Can I Start with a Camera?
2023 · 7.5
Crescent Moon and Cats
2024 · 6.5
How Neya Ryoka Became a Director
2020
Zakken! - The Cosmos Beneath Our Feet
2026
RETSU (The Line)
2026
See all fromNaho Kamimura
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Once the One — streaming FAQ
Which OTT platform streams Once the One?
Once the One is streaming on Amazon Prime Video in United Kingdom, and available to rent or buy on Amazon Video. It's not currently on Netflix.
Is Once the One on Netflix?
No, Once the One is not on Netflix in United Kingdom as of September 2026. It's currently on Amazon Prime Video.
Is Once the One on Amazon Prime Video?
Yes — Once the One is included with an Amazon Prime Video subscription in United Kingdom as of September 2026.
Where can I watch Once the One for free?
Once the One is available on Amazon Prime Video in United Kingdom, but you'll need an active subscription — there's no free option right now.
