Between Us
비밀일기
Synopsis
Yejin and Haeri are the best friends in their class. But when Haeri starts writing a secret diary with friends from another class, a subtle crack begins to form in their relationship. Yejin feels hurt by the way Haeri keeps the diary from her and grows anxious, wondering if their shared secrets might have been written inside.
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
[비밀일기 | BETWEEN US] TRAILER
Type: Trailer • Published 2026-02-15
Top Cast
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Release History & Theatrical Window
Jeonju International Film Festival
Festival / Special Debut
Key Information & Fast Facts
- Director
- Song Jin-kyung
- Screenplay & Story
- Song Jin-kyung
- Original Score
- Kim Tae-san
- Original Title
- 비밀일기
- Country of Origin
- South Korea
- Spoken Languages
- Korean
- Runtime
- 22m
Creative Leadership & Key Crew
Song Jin-kyung
Song Jin-kyung
Kim Tae-san
Lee Ho-seung
Noh Ha-jeong, Yuri Kim
Department Leadership Roster
Song Jin-kyung
Director
Song Jin-kyung
Writer
Noh Ha-jeong
Producer
Yuri Kim
Producer
Lee Ho-seung
Editor
Production Stills & Gallery
Official cinematic photography and background stills for Between Us.
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Frequently Asked Questions About Between Us
Quick factual answers about cast, synopsis, director, box office, and release information.
What is Between Us about?
Yejin and Haeri are the best friends in their class. But when Haeri starts writing a secret diary with friends from another class, a subtle crack begins to form in their relationship. Yejin feels hurt by the way Haeri keeps the diary from her and grows anxious, wondering if their shared secrets might have been written inside.
Who directed Between Us?
Between Us was directed by Song Jin-kyung.
Who stars in Between Us?
The principal cast of Between Us includes Kim Ji-won, Hong Jeong-min, Lee Myung-ha, Ha Seong-guk.
When was Between Us released and how long is it?
Between Us was released in 2026 with a total runtime of 22m.
Who composed the musical score for Between Us?
The original motion picture soundtrack for Between Us was composed by Kim Tae-san.