Question 1

Where is Koshu Kastera Tsuchiya?

Accepted Answer

Koshu Kastera Tsuchiya is in Fuefuki, Yamanashi Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of mono does Koshu Kastera Tsuchiya appear in?

Accepted Answer

Koshu Kastera Tsuchiya appears in EP11 of mono.

Question 3

Can I visit Koshu Kastera Tsuchiya?

Accepted Answer

Yes. Koshu Kastera Tsuchiya is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was mono filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Koshu Kastera Tsuchiya is one of those real places (EP11).