
The Flat Sum
2019, Japanese. Directed by Ryôta Koyama.
Yoko lived very withdrawn for a long time. Now she dares to go outside again and through contact with people she regains her joie de vivre bit by bit. At the same time, the young Yakuza Katsuragi is looking for his blood brother Amano, who piled up with the clan's money. What is the relationship between the lives of Yoko and Katsuragi? Yoko lived a very withdrawn life for a long time. Now she dares to go outside again and through contact with people she regains her joie de vivre bit by bit. At the same time, the young Yakuza Katsuragi is looking for his blood brother Amano, who piled up with the clan's money. How are the lives of Yoko and Katsuragi related?
- Runtime
- 0h 41m
- Post-credits
- None listed
- Language
- Japanese
- Rated
- Check local
Start now and it ends at ….
Too new to call
Not enough people have rated it yet for a verdict.
Seen it? Give your verdict.
Saved privately on this device.
Where to watch The Flat Sum
The Flat Sum isn’t streaming on any OTT platform in India yet; it released on 1 January 2019.
No streaming listings yet. Search JustWatch.
Cast & crew
Details
- Released
- 1 January 2019
- Original title
- 平らな和
- Country
- Japan
Check ratings elsewhere
News & fan talk
If you liked The Flat Sum

Breaking News in Yuba County
2021 · 5.9/10
SnoozefestRecommended by TMDB viewers

Thick as Thieves
1999 · 6.0/10
Popcorn FlickRecommended by TMDB viewers

Intermission
2003 · 6.2/10
Popcorn FlickRecommended by TMDB viewers

Small Apartments
2012 · 5.9/10
SnoozefestRecommended by TMDB viewers

Perrier's Bounty
2010 · 5.8/10
SnoozefestRecommended by TMDB viewers

Where the Money Is
2000 · 5.9/10
SnoozefestRecommended by TMDB viewers

Things Change
1988 · 6.2/10
Popcorn FlickRecommended by TMDB viewers

Defendor
2009 · 6.4/10
Popcorn FlickRecommended by TMDB viewers

One Last Thing...
2005 · 6.0/10
Popcorn FlickRecommended by TMDB viewers

9 Souls
2003 · 6.5/10
Popcorn FlickRecommended by TMDB viewers
The Flat Sum: quick answers
Is The Flat Sum worth watching?
The Flat Sum doesn’t have enough ratings for a verdict yet.
How long is The Flat Sum?
The Flat Sum runs 41 minutes (0h 41m).
Does The Flat Sum have a post-credits scene?
None is listed for The Flat Sum. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
The Flat Sum parents guide: is it suitable for kids?
No age rating is listed for The Flat Sum yet.
Which OTT platform is The Flat Sum on?
The Flat Sum isn’t streaming on any OTT platform in India yet; it released on 1 January 2019. (Checked 11 November 2026.)
What movies are like The Flat Sum?
If you liked The Flat Sum, try Breaking News in Yuba County, Thick as Thieves, Intermission.
Who directed The Flat Sum?
The Flat Sum (2019) was directed by Ryôta Koyama.