Question 1

Where is Assist Engineering Yocchabare Hiroba?

Accepted Answer

Assist Engineering Yocchabare Hiroba is in Kōfu, Yamanashi, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of mono does Assist Engineering Yocchabare Hiroba appear in?

Accepted Answer

Assist Engineering Yocchabare Hiroba appears in EP4 of mono.

Question 3

Can I visit Assist Engineering Yocchabare Hiroba?

Accepted Answer

Yes. Assist Engineering Yocchabare Hiroba 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 Assist Engineering Yocchabare Hiroba is one of those real places (EP4).