Question 1

Where is Shichiken?

Accepted Answer

Shichiken is in Hokuto, Yamanashi, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of mono does Shichiken appear in?

Accepted Answer

Shichiken appears in EP2 of mono.

Question 3

Can I visit Shichiken?

Accepted Answer

Yes. Shichiken 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 Shichiken is one of those real places (EP2).