If you loved Christmas in August, try Happiness
A bridge between a film you've already seen and one most people haven't. Happiness has roughly 3.0× fewer votes than Christmas in August — it's a deeper cut, not a mainstream recommendation. 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 Hur Jin-ho, and they both carry the bittersweet, tender mood tags, and they sit in Drama / Romance territory. If that's the register that drew you to Christmas in August, the second film will land in a comparable space — through a different lens.
bittersweettender
What Happiness is
Terminal illness meets love interest, how cheerful. Young gets admitted to a hospital. His recovery likely won't cure his bad habits.

