Question 1

Where is Shinjuku Kaleido Building?

Accepted Answer

Shinjuku Kaleido Building is in Shinjuku, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of The Devil is a Part-Timer! does Shinjuku Kaleido Building appear in?

Accepted Answer

Shinjuku Kaleido Building appears in EP1 of The Devil is a Part-Timer!.

Question 3

Can I visit Shinjuku Kaleido Building?

Accepted Answer

Yes. Shinjuku Kaleido Building is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was The Devil is a Part-Timer! filmed?

Accepted Answer

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