*Ruka walks over to the desk in the room and places Tarou's bag onto it, still not sure exactly what was going on.*

Tarou-san entrusted his bag of research to me to look after and said I was free to look through it, but when I did... well... I found these.

*She pulls out what appears to be plans of exorcism circles and lays them out on top of the bag. She then pulls out some marked stones and places them amongst the plans.*

I was already worried that maybe he'd got himself mixed up in something dangerous, but when I saw these, they just set of alarm bells in my head. They don't seem like just average research... I feel like they have a purpose for something?