Question 1

Where is Shureimon Gate?

Accepted Answer

Shureimon Gate is in Naha, Okinawa Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Okitsura does Shureimon Gate appear in?

Accepted Answer

Shureimon Gate appears in ED of Okitsura.

Question 3

Can I visit Shureimon Gate?

Accepted Answer

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

Question 4

Where was Okitsura filmed?

Accepted Answer

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