One Last Love Letter
人はなぜラブレターを書くのか
Synopsis
A woman writes a letter to a young man, leading to a correspondence with his father that unveils the truth of a 24-year-old high school romance, his son's death, and the power of love letters.
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
『人はなぜラブレターを書くのか』予告90秒 主題歌バージョン｜主題歌：Official髭男dism「エルダーフラワー」【4月17日(金)公開】Official
Type: Trailer • Published 2026-02-16
Top Cast
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Key Information & Fast Facts
- Director
- Yuya Ishii
- Screenplay & Story
- Yuya Ishii
- Original Score
- Taro Iwashiro
- Original Title
- 人はなぜラブレターを書くのか
- Country of Origin
- Japan
- Spoken Languages
- Japanese
- Runtime
- 2h 2m
- Production Studios
- TOHO
Creative Leadership & Key Crew
Yuya Ishii
Yuya Ishii
Taro Iwashiro
Naoaki Kitajima, Miyoshi Kikuchi
Department Leadership Roster
Yuya Ishii
Director
Yuya Ishii
Writer
Naoaki Kitajima
Producer
Miyoshi Kikuchi
Producer
Taro Iwashiro
Original Music Composer
Production Stills & Gallery
Official cinematic photography and background stills for One Last Love Letter.
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Frequently Asked Questions About One Last Love Letter
Quick factual answers about cast, synopsis, director, box office, and release information.
What is One Last Love Letter about?
A woman writes a letter to a young man, leading to a correspondence with his father that unveils the truth of a 24-year-old high school romance, his son's death, and the power of love letters.
Who directed One Last Love Letter?
One Last Love Letter was directed by Yuya Ishii.
Who stars in One Last Love Letter?
The principal cast of One Last Love Letter includes Haruka Ayase, Ami Touma, Kanata Hosoda, Satoshi Tsumabuki, Takuma Otoo.
When was One Last Love Letter released and how long is it?
One Last Love Letter was released in 2026 with a total runtime of 2h 2m.
Who composed the musical score for One Last Love Letter?
The original motion picture soundtrack for One Last Love Letter was composed by Taro Iwashiro.