The Blue Mailbox
The blue mailbox delivers only confessions that were never sent, and replies always arrive one day early.
IXF-AIF-2026-D4MMP3GWUA
The story
The blue mailbox at the end of the cherry blossom path needs no address. Letters placed inside become confessions, and the replies received are always dated one day earlier. The last letter comes from a spring that has not yet been born.
- Original title
- 파란 우체통
- Country / region
- South Korea
- Genres
- Fantasy
- Language
- Korean
- Year
- 2026
- Runtime
- 94:19
- Director
- 윤하라
Creative process
Director, editor, poster art director, rights reviewer, language reviewer, and producer approve creative, legal, and cultural outputs.
Human-led story development, screenplay polish, casting bible, rights review, AI-generated key art and motion tests, human edit, grade, sound, language review, and C2PA export.
- AI participation (source-declared)
- 75%
- Creative method
- Generative narrative
- Format
- Feature film
- Resolution
- 4K
- Aspect ratio
- 2.39:1
- Frame rate
- 24 fps
- Delivery format
- 4K DCP; ProRes 4444 XQ master; H.265 review screener.
- Subtitles
- English · Korean · Japanese · Thai · French