Our Little Sister

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Our Little Sister
Our Little Sister poster.jpeg
Directed byHirokazu Kore-eda
Produced by
  • Kaoru Matsuzaki
  • Hijiri Taguchi
Screenplay byHirokazu Kore-eda
Based onUmimachi Diary
by Akimi Yoshida
StarringHaruka Ayase
Masami Nagasawa
Suzu Hirose
Music byYoko Kanno
CinematographyMikiya Takimoto
Edited byHirokazu Kore-eda
Distributed by
  • Toho
  • GAGA corporation
Release date
  • May 14, 2015 (2015-05-14) (Cannes)
  • June 13, 2015 (2015-06-13) (Japan)
Running time
126 minutes
Box office¥1.55 billion[1]

Our Little Sister (Japanese: 海街diary, Hepburn: Umimachi Diary, lit. "Seaside town diary") is a 2015 Japanese drama film edited, written, and directed by Hirokazu Kore-eda, starring Haruka Ayase, Masami Nagasawa, Kaho and Suzu Hirose. It tells the story of three sisters in their 20s who live together in Kamakura, and are joined by their 14-year-old half sister after their father dies. The film is based on the manga series Umimachi Diary by Akimi Yoshida.[2] It was selected to compete for the Palme d'Or at the 2015 Cannes Film Festival.[3][4]


There are three sisters: 29-year-old Sachi Kouda (Haruka Ayase), 22-year-old Yoshino Kouda (Masami Nagasawa) and 19-year-old Chika Kouda (Kaho). They live in the house of their grandparents in Kamakura, where they grew up after their parents had separated and left them. One day, they receive news of the death of their father whom they haven't seen in 15 years. At the funeral, they meet their 14 year old half-sister Suzu Asano (Suzu Hirose). Suzu is living with her father's wife and son, but she is not related to the wife. observing the behaviour of the wife at the funeral (she tries to pass on the responsibility of addressing the guests to Suzu) Sachi guesses that Suzu looked after their father as he died, not the wife. At the train station Sachi spontaneously invites Suzu to come and live with them. Later, Suzu moves in. She joins the local football team and becomes popular as the older sisters lives develop.


Kore-eda and stars promoting the film at the 2015 Cannes Film Festival.


The film was produced by Fuji Television, Shogakukan, Toho and Gaga Corporation.[5] Principal photography began in July 2014.[6]


The film premiered at the 2015 Cannes Film Festival. The film was released in Japan on June 13, 2015.[7] It premiered in London, England on October 14, 2015 as part of the BFI London Film Festival[8]

Box office[edit]

The film has grossed ¥1.55 billion in Japan.[1]

Critical response[edit]

Rotten Tomatoes reports a 94% approval rating for Our Little Sister, based on 112 critics, with an average score of 7.7/10.[9] The film also holds a 75/100 average rating on Metacritic, based on 31 critics, indicating "generally favorable reviews".[10]


Our Little Sister received the most nominations (12) at the 39th Japan Academy Prize, winning four of them including Picture of the Year and Director of the Year. The four actresses who portrayed the sisters were all awarded or nominated for the acting awards (Haruka Ayase was nominated for Outstanding Performance by an Actress in a Leading Role, Masami Nagasawa and Kaho were nominated for Outstanding Performance by a Supporting Actress in a Leading Role and Suzu Hirose won Newcomer of the Year).

The film also won Audience Award at San Sebastián International Film Festival.


  1. ^ a b Kevin Ma (30 July 2015). "Hero victorious for second week in Japan". Film Business Asia. Archived from the original on 1 April 2016. Retrieved 2 August 2015.
  2. ^ Ma, Kevin (28 May 2014). "Kore-eda Hirokazu adapts Kamakura Diary". Film Business Asia. Archived from the original on 7 April 2015. Retrieved 3 April 2015.
  3. ^ "2015 Official Selection". Festival de Cannes. Retrieved 16 April 2015.
  4. ^ "Screenings Guide". Festival de Cannes. 6 May 2015. Retrieved 8 May 2015.
  5. ^ Noh, Jean (23 March 2015). "Filmart 2015: Hot titles - Japan". Screen International. Retrieved 3 April 2015.
  6. ^ "Haruka Ayase Stars in Hirokazu Kore-eda's Umimachi Diary Film". Anime News Network. 23 June 2014. Retrieved 3 April 2015.
  7. ^ "Our Little Sister". gaga.co.jp. Gaga Corporation. Retrieved 2015-04-03.
  8. ^ "BFI London Film Festival 2015: 30 recommendations". www.bfi.org.uk. 13 October 2015. Retrieved 27 October 2015.
  9. ^ "Our Little Sister (Umimachi Diary) (2016)". Rotten Tomatoes. Fandango. Retrieved 14 February 2018.
  10. ^ "Our Little Sister Reviews". Metacritic. CBS Interactive Inc. Retrieved 14 February 2018.

External links[edit]