Question 1

Where is Li Jiang?

Accepted Answer

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

Question 2

Which scene of Negative Positive Angler does Li Jiang appear in?

Accepted Answer

Li Jiang appears in EP1 of Negative Positive Angler.

Question 3

Can I visit Li Jiang?

Accepted Answer

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

Question 4

Where was Negative Positive Angler filmed?

Accepted Answer

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