On Summer Sand poster

On Summer Sand

8.1(10)20251h 42m2

In parched Nagasaki, grieving Koura drifts after losing his son. When his sister leaves her daughter in his care, an unexpected life together begins.

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Status
Released
Budget
—
Box office
—
Language
Japanese
  • redemption
  • based on play or musical
  • dysfunctional family
  • coming of age
  • grief
  • summer
  • separation
  • surrogate father
  • uncle niece relationship
  • based on opera
  • child loss
  • nagasaki, japan

Top billed cast

Behind the camera

Produced in

Japan

Where to watch

Availability for United States. Provided by JustWatch through the TMDB API.

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Gallery

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Release dates

  • AustriaAT

    • PremiereJapannual2 Oct 2025
  • ChinaCN

    • PremiereShanghai International Film Festival20 Jun 2025
  • JapanJP

    • Theatrical4 Jul 2025

Frequently asked questions

On Summer Sand was released on 4 July 2025.

Audience reviews

1
  • A

    Alunauwie

    8/4/2026

    8/10

    On Summer Sand (2025) is a heartfelt drama about two lonely people learning to heal from grief, trauma, and abandonment through an unexpected bond. Its natural performances, warm summer atmosphere, and subtle emotional storytelling create a deeply moving experience without relying on dramatic twists. Overall, it's a quiet yet rewarding film that's well worth watching for fans of character-driven dramas. > by aluna…

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