Question 1

Where is Ripple?

Accepted Answer

Ripple is in Miura, Kanagawa Prefecture, 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 Ripple appear in?

Accepted Answer

Ripple appears in EP2 of Rascal Does Not Dream of Santa Claus.

Question 3

Can I visit Ripple?

Accepted Answer

Yes. Ripple 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 Ripple is one of those real places (EP2).