B6 Comics Aaru architect no Kiroku Yamanokami / Taiyume

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

Elementary school students who visited Rinkan School in the mountains opened the door that says "No entry" and stepped into it. What was the appearance of the "big woman" that the elementary school students saw there? It seems to have something to do with the incident that occurred in the past? Including the title work "Yamanokami Sama 2", this time too, it is full of scary stories!