Koi poster
Where to stream

Koi

7.520132h 9mMovieRomance

The story is set in the 70s where Ishihara plays Fumiko, an university student, who gets involved romantically with her assistant professor Katase Shintaro (Iura Arata) and his wife Hinako (Tanaka Rena). However, on 28 February 1972, the…

DirectorTakashi Minamoto
WriterTakashi Minamoto

Where to watch

Not available in United Kingdom
Streaming in 1 other country

Koi isn't on any streaming service in United Kingdom right now, but it's available in Japan. Streaming rights are licensed per country.

Cast · Directed by Takashi Minamoto

SISatomi Ishihara
Satomi Ishihara
Fumiko Yano (1972)
MHMieko Harada
Mieko Harada
Fumiko Yano (2013)
AIArata Iura
Arata Iura
Shintaro Katase
RTRena Tanaka
Rena Tanaka
Hinako Katase
TSTakumi Saitoh
Takumi Saitoh
Katsuya Okubo
AWAtsuro Watabe
Atsuro Watabe
Mitsuhiko Torikai

More from Satomi Ishihara · Lead actress

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Shin Godzilla
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See all fromSatomi Ishihara

More from Mieko Harada · Co-star actress

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SMAP×SMAP
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Mozart in the Jungle
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Viral Hit
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1990 · 7.7
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2026 · 7.7
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More from Takashi Minamoto · Director

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2016 · 6.2
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2005 · 7.2
Samurai Vengeance
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2026 · 8.6
See all fromTakashi Minamoto

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Koi — streaming FAQ

Which OTT platform streams Koi?

Koi isn't on any streaming service in United Kingdom yet, but it's available in Japan. Streaming rights differ by country — switch your country in the header to see where.

Is Koi on Netflix?

No, Koi is not on Netflix in United Kingdom as of October 2026.

Is Koi on Amazon Prime Video?

No, Koi isn't on Amazon Prime Video in United Kingdom right now.

Where can I watch Koi for free?

Koi isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.