If you loved Lunchbox, try Underwater Love
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
What they share
Both films are directed by Shinji Imaoka, and they both carry the sexy mood tag, and they sit in Romance territory. If that's the register that drew you to Lunchbox, the second film will land in a comparable space — through a different lens.
sexy
What Underwater Love is
Apparently love can resurface in weird ways. Asuka works in a lakeside fish factory and is engaged to her boss. Her life gets weirdly complicated by a water sprite with a familiar face.

