Book (Practical) Entertainment Mystery Photo Collectors Disappear

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Various Arts and Entertainments
[Contents introduction] A photo collection of Atami that I casually bought at a book store with a Furatto.
When you flip it, something is strange. It has an unnatural composition, a suspicious sign, a person who I couldn't see.
There is also a leaflet of a quiz campaign that doesn't look like a photo collection.
Curious, you accessed an Internet bulletin board that I had been immersed in since I was a student.
If you look into it in detail with other users, terrible incidents that happened in this city will come to light one after another.
A innovation mystery game presented by SCRAP, which is making the world go wild with "Real escape the room".
Can you uncover the truth hidden in the photo collection?