The Key poster
Where to stream

The Key

4.920221h 15mMovieDrama

Kanda, an elderly teacher whose manhood is beginning to fade, loves his young wife Ikuko, but finds himself unable to satisfy her high libido - Until he discovers the world of spoiled cuckolds.

DirectorHiroki Inoue
WriterHiroki Inoue

Where to watch

Not available in United States
Streaming in 3 other countries

The Key isn't on any streaming service in United States right now, but it's available in Japan, South Korea, Taiwan. Streaming rights are licensed per country.

Cast · Directed by Hiroki Inoue

SMShingo Mizusawa
Shingo Mizusawa
Naoki Kanda
YMYuki Masuda
Yuki Masuda
Ikuko Kanda
AMAtomu Mizuishi
Atomu Mizuishi
Masaya Kimura
MAMone Akitani
Mone Akitani
Mihara Toshiko

More from Shingo Mizusawa · Lead actor

Cold Case: Door of Truth
Cold Case: Door of Truth
2016 · 8.2
Wakako Zake
Wakako Zake
2015 · 6.7
Lost Man Found
Lost Man Found
2022 · 8.1
Sins of Kujo
Sins of Kujo
2026 · 7.6
My Housekeeper Nagisa-san
My Housekeeper Nagisa-san
2020 · 7.5
Ms. Saionji Doesn't Do Housework
Ms. Saionji Doesn't Do Housework
2024 · 6.5
Love Deeply!
Love Deeply!
2021 · 6.8
Since I Took You Away
Since I Took You Away
2025 · 9.0
The Long Goodbye
The Long Goodbye
2014 · 6.8
Ghost Cat Anzu
Ghost Cat Anzu
2024 · 6.9
See all fromShingo Mizusawa

More from Yuki Masuda · Co-star actress

The Torture Club
The Torture Club
2014 · 5.2
Mob Psycho 100
Mob Psycho 100
2018 · 6.0
Wet Woman in the Wind
Wet Woman in the Wind
2016 · 5.8
Meshibana Keiji Tachibana
Meshibana Keiji Tachibana
2013 · 7.0
Sweet Whip
Sweet Whip
2013 · 5.9
Ninja vs Shark
Ninja vs Shark
2023 · 6.8
Koi wa Yukemuri no Naka de
Koi wa Yukemuri no Naka de
2024 · 6.0
Traverse
Traverse
2019
Hello, My Dolly Girlfriend
Hello, My Dolly Girlfriend
2013 · 5.5
A Helpless Love Song
A Helpless Love Song
2018 · 1.7
See all fromYuki Masuda

More from Hiroki Inoue · Director

Tonight, I Have a Date with a Serial Killer
Tonight, I Have a Date with a Serial Killer
2026
The Gaze of Sisyphus
The Gaze of Sisyphus
2026
Kuruibana
Kuruibana
2017 · 8.0
The Love of a Brute
The Love of a Brute
2022 · 4.7
That Moment, My Heart Cried
That Moment, My Heart Cried
2019 · 6.0
Love Stage!!
Love Stage!!
2020 · 5.4
The Old Woman Skin
The Old Woman Skin
2023
Kienai Akari
Kienai Akari
2023 · 6.5
1 in 400,000
1 in 400,000
2018 · 5.0
Black and Blue
Black and Blue
2017
See all fromHiroki Inoue

More like this

Call Boy
Call Boy
2018 · 6.5
The Eel
The Eel
1997 · 6.9
Taboo
Taboo
1999 · 6.6
Your Name.
Your Name.
2016 · 8.5
High and Low
High and Low
1963 · 8.4
Ikiru
Ikiru
1952 · 8.3
Seven Samurai
Seven Samurai
1954 · 8.5
Perfect Days
Perfect Days
2023 · 7.8
A Silent Voice: The Movie
A Silent Voice: The Movie
2016 · 8.4
Look Back
Look Back
2024 · 8.2
Harakiri
Harakiri
1962 · 8.5
Whisper of the Heart
Whisper of the Heart
1995 · 7.9

The Key — streaming FAQ

Which OTT platform streams The Key?

The Key isn't on any streaming service in United States yet, but it's available in Japan, South Korea and Taiwan. Streaming rights differ by country — switch your country in the header to see where.

Is The Key on Netflix?

No, The Key is not on Netflix in United States as of October 2026.

Is The Key on Amazon Prime Video?

No, The Key isn't on Amazon Prime Video in United States right now.

Where can I watch The Key for free?

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