Question 1

Where is Prayer Slope?

Accepted Answer

Prayer Slope is in Nagasaki, Nagasaki Prefecture, 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 Prayer Slope appear in?

Accepted Answer

Prayer Slope appears in EP1 of Iroduku: The World in Colors.

Question 3

Can I visit Prayer Slope?

Accepted Answer

Yes. Prayer Slope 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 Prayer Slope is one of those real places (EP1).