If you loved The Grudge, try Ju-on: The Curse 2
A bridge between a film you've already seen and one most people haven't. Ju-on: The Curse 2 has roughly 18.0× fewer votes than The Grudge — 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 Takashi Shimizu, and they both carry the dread, late night mood tags, and they sit in Horror / Mystery territory. If that's the register that drew you to The Grudge, the second film will land in a comparable space — through a different lens.
dreadlate night
What Ju-on: The Curse 2 is
Tokyo suburb. Summer cicadas. Rotting porch swing. A realtor’s sibling enters a seemingly abandoned home at his request. A vengeful spirit marks her. J-horror at its finest.

