Question 1

Where is Meisuitei?

Accepted Answer

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

Question 2

Which scene of Occultic;Nine does Meisuitei appear in?

Accepted Answer

Meisuitei appears in EP10 of Occultic;Nine.

Question 3

Can I visit Meisuitei?

Accepted Answer

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

Question 4

Where was Occultic;Nine filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Meisuitei is one of those real places (EP10).