Question 1

Where is Hotta Apartments?

Accepted Answer

Hotta Apartments is in Nagasaki, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Iroduku: The World in Colors does Hotta Apartments appear in?

Accepted Answer

Hotta Apartments appears in EP1 of Iroduku: The World in Colors.

Question 3

Can I visit Hotta Apartments?

Accepted Answer

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

Question 4

Where was Iroduku: The World in Colors filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Hotta Apartments is one of those real places (EP1).