Question 1

Where is outdoor stage?

Accepted Answer

outdoor stage is in Chichibu, Saitama Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Her Blue Sky does outdoor stage appear in?

Accepted Answer

outdoor stage is a real place that appears in Her Blue Sky.

Question 3

Can I visit outdoor stage?

Accepted Answer

Yes. outdoor stage is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Her Blue Sky filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and outdoor stage is one of those real places.