Look here! This aerial photo shows a large lake located in Suwa... But there's an unnaturally round cavity right here.

This itself is a plenty mysterious occult spot... But there's also theories that there used to be a shrine there...

And apparently...

"Moriya Shrine"

was its name.

And then...

There's this unsolved case that happened in the same region around the same time.

A disappeared schoolgirl.

There were rumors that she might've been spirited away or something, but... Some of those rumors gave her a nickname...