Question 1

Where is Hakone Lake Hotel-mae?

Accepted Answer

Hakone Lake Hotel-mae 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 Hakone Lake Hotel-mae appear in?

Accepted Answer

Hakone Lake Hotel-mae appears in EP23 of Blue Box.

Question 3

Can I visit Hakone Lake Hotel-mae?

Accepted Answer

Yes. Hakone Lake Hotel-mae 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 Hakone Lake Hotel-mae is one of those real places (EP23).