If you loved Paranormal Activity: Tokyo Night, try Senritsu Kaiki File Kowasugi! File 01: Operation Capture the Slit-Mouthed Woman
A bridge between a film you've already seen and one most people haven't. Senritsu Kaiki File Kowasugi! File 01: Operation Capture the Slit-Mouthed Woman has roughly 17.2× fewer votes than Paranormal Activity: Tokyo Night — 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.

Paranormal Activity: Tokyo Night

Senritsu Kaiki File Kowasugi! File 01: Operation Capture the Slit-Mouthed Woman
What they share
Theyboth carry the dread mood tag, and they sit in Horror / Thriller territory. If that's the register that drew you to Paranormal Activity: Tokyo Night, the second film will land in a comparable space — through a different lens.
What Senritsu Kaiki File Kowasugi! File 01: Operation Capture the Slit-Mouthed Woman is
Park at night. A child's skipping-rope. A TV crew investigates the local panic around a Kuchisake-onna sighting. They pursue the urban legend into a haunted apartment complex. Shiraishi's found-footage series is a blast for fans of The Blair Witch Project.