Question 1

Where is Shirayuri-daienchi Park?

Accepted Answer

Shirayuri-daienchi Park is in Hakone, Kanagawa Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Blue Box does Shirayuri-daienchi Park appear in?

Accepted Answer

Shirayuri-daienchi Park appears in EP23 of Blue Box.

Question 3

Can I visit Shirayuri-daienchi Park?

Accepted Answer

Yes. Shirayuri-daienchi Park is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Blue Box filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Shirayuri-daienchi Park is one of those real places (EP23).