If you loved Sadako vs. Kayako, try Carved: The Slit-Mouthed Woman
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 Koji Shiraishi, and they both carry the dread mood tag, and they sit in Horror territory. If that's the register that drew you to Sadako vs. Kayako, the second film will land in a comparable space — through a different lens.
dread
What Carved: The Slit-Mouthed Woman is
A rainy autumn suburb, a child’s coat flapping empty on a swing. The silhouette of a woman in a tattered coat steps from mist, scissors glinting. A voice asks, thin and too close: Always the same question. Then only the sound of shears snapping shut. Nagisa Oshima, J-horror revival, leans in too far.

