Question 1

Where is Future Rose Garden?

Accepted Answer

Future Rose Garden is in Yokohama, Kanagawa, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Rascal Does Not Dream of Santa Claus does Future Rose Garden appear in?

Accepted Answer

Future Rose Garden appears in EP4 of Rascal Does Not Dream of Santa Claus.

Question 3

Can I visit Future Rose Garden?

Accepted Answer

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

Question 4

Where was Rascal Does Not Dream of Santa Claus filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Future Rose Garden is one of those real places (EP4).