Question 1

Where is Otaibaomotenashi Garden?

Accepted Answer

Otaibaomotenashi Garden is in Koto, 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 Otaibaomotenashi Garden appear in?

Accepted Answer

Otaibaomotenashi Garden appears in EP3 of Negative Positive Angler.

Question 3

Can I visit Otaibaomotenashi Garden?

Accepted Answer

Yes. Otaibaomotenashi Garden 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 Otaibaomotenashi Garden is one of those real places (EP3).