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Our Little Sister (2015)

Umimachi Diary (original title)
2:01 | Trailer
A story that revolves around three sisters who live in their grandmother's home and the arrival of their thirteen-year-old half sister.


Hirokazu Koreeda


Akimi Yoshida (manga), Hirokazu Koreeda (screenplay)
16 wins & 24 nominations. See more awards »





Cast overview, first billed only:
Haruka Ayase ... Sachi Kôda
Masami Nagasawa ... Yoshino Kôda
Kaho Kaho ... Chika Kôda
Suzu Hirose ... Suzu Asano
Ryô Kase ... Yoshimi Sakashita
Ryôhei Suzuki ... Dr. Yasuyuki Inoue
Takafumi Ikeda Takafumi Ikeda ... Sanzo Hamada
Kentarô Sakaguchi ... Tomoaki Fujii
Ohshirô Maeda Ohshirô Maeda ... Fûta Ozaki (as Ohshiroh Maeda)
Midoriko Kimura ... Hideko Takano
Yûko Nakamura Yûko Nakamura ... Yôko Asano
Jun Fubuki Jun Fubuki ... Sachiko Ninomiya
Kazuaki Shimizu Kazuaki Shimizu ... Toshio Iida
Kaoru Hirata Kaoru Hirata
Shin'ichi Tsutsumi ... Dr. Kazuya Shiina


Three sisters live together in their late grandmother's house in the city of Kamakura. They have lived together since their dad left home for another woman and their mum imitated her husband by running off with another man. Sachi, 29, the oldest Koda sister, a nurse at the local hospital, acts as a substitute mother to Yoshino, 22, and Chika, 19. One day, the threesome learns of the death of their "traitor" father and it is only halfheartedly that they go to his funeral. But in Yamagata something unexpected happens: they meet their half-sister Suzu, 13, there and immediately fall for the spell of this exquisite young creature. Sensing that Yoko, her father's widow, will not be a fit guardian, Sachi invites Suzu to move in with them. Written by Guy Bellinger

Plot Summary | Add Synopsis


Drama | Family

Motion Picture Rating (MPAA)

- Rated PG for thematic elements and brief language | See all certifications »

Parents Guide:

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Did You Know?


Koreeda's Non-Script: In previous movies he made, he did not give script to child actors. He just mouthed the dialogue to child actors as the scene took place and the child actors repeated what Koreeda had just said, reacting to what other actors were saying and doing at that moment. It made it easier for child actor not having to memorize dialogues and helped them act more naturally. Since Suzu was not exactly a child, Koreeda gave she her a choice of either to have a script or not have one. She chose not to have a script, thinking this might be the last chance she would be able to act this way. See more »


When the four sisters are having their lunch with Chika's boyfriend at their house, in the interior shot looking outward, all the noodles on the main plate have been eaten.

In the next scene, an exterior scene looking inward to the house, Sachi reaches down and takes the plate away but Chika reaches up and takes several noodles off the plate with her chopsticks. See more »


Sachi Kôda: I want you to stay forever.
Suzu Asano: I want to stay forever.
See more »

User Reviews

Wonderfully understated and brilliantly immersive
15 April 2016 | by themadmoviemanSee all my reviews

This is by no means a simple watch, but it's a hugely pleasant one. Our Little Sister is a perfect example of how a slow, calm and natural film can pull you in so much deeper than something big and loud, with fantastic performances, beautiful directing, brilliant dialogue and an emotionally impressive, but never melodramatic story.

The most striking thing about this film is the directing. It's all very understated, but the director is so brilliant at giving you staggeringly beautiful vistas of the countryside landscape of Japan. It never takes over what's happening in the story, but the way that the natural world is presented in this film is so special, and makes it an absolute joy to watch.

The performances are great too. Again, with a very quiet and understated story, the actors all do a fantastic job at providing interesting drama and engaging character development, which makes the slow pacing of this film feel almost invisible, as you're able to be pulled in so effectively by the very human, realistic performances, which was so impressive to see.

And that ability to create a realistic drama continues in the film's dialogue. The performances are all fantastic, but without the brilliantly-written dialogue, that feels so natural and real, this film may not have been as brilliantly engrossing as it is. Luckily, however, every line is so well-crafted, and fits so well with whatever's going on on screen, that you become totally immersed in this film as if you're right there taking part in these conversations.

This is effectively a 'slice of life' drama, where we're not getting an over-the-top, cinematic melodrama, but one that just peers into some people's lives, and makes a compelling story out of it.

That's true for a lot of the film, and I definitely enjoyed following the brilliant plot here, but if there is one complaint that I do have with Our Little Sister, it lies within the way the story is told. Understated films are fantastic, and shouldn't be overlooked, but in this film, I felt as if it was just a little too quiet in its opening stage to get you fully up to speed with what's going on.

Don't get me wrong, the calm nature of the film is beautiful for the most part, but for the first twenty minutes or so, I did feel a little lost with the characters' various backgrounds and relationships due to little early exposition, which made for an occasionally frustrating watch at the beginning.

Overall, however, Our Little Sister is a wonderful film, and it uses understated drama in a brilliantly realistic and immersive way, helped further by great performances and fantastic directing.

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Release Date:

13 June 2015 (Japan) See more »

Also Known As:

Our Little Sister See more »

Filming Locations:

Kamakura, Kanagawa, Japan See more »


Box Office

Opening Weekend USA:

$25,118, 10 July 2016

Gross USA:


Cumulative Worldwide Gross:

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Company Credits

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Technical Specs


Sound Mix:

Dolby Digital



Aspect Ratio:

1.85 : 1
See full technical specs »

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