If you loved Happy End, try The Harmonium in My Memory
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
Theyboth carry the bittersweet mood tag, and they sit in Drama / Romance territory. If that's the register that drew you to Happy End, the second film will land in a comparable space — through a different lens.
bittersweet
What The Harmonium in My Memory is
Here's a film about thwarted longing in the sticks. High schooler Hong-yun develops a crush on the new teacher, though he only has eyes for someone else. A sweet portrait of teenage life in rural Korea, provided you like that sort of thing.

