Question 1

Where is supermarket Mirabelle?

Accepted Answer

supermarket Mirabelle is in Itabashi, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Blue Box does supermarket Mirabelle appear in?

Accepted Answer

supermarket Mirabelle appears in EP10 of Blue Box.

Question 3

Can I visit supermarket Mirabelle?

Accepted Answer

Yes. supermarket Mirabelle 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 supermarket Mirabelle is one of those real places (EP10).