Question 1

Where is Yamada-yu?

Accepted Answer

Yamada-yu is in Atami, Shizuoka Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Wash It All Away does Yamada-yu appear in?

Accepted Answer

Yamada-yu appears in EP1 of Wash It All Away.

Question 3

Can I visit Yamada-yu?

Accepted Answer

Yes. Yamada-yu is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Wash It All Away filmed?

Accepted Answer

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