Question 1

Where is Hanano Yosei?

Accepted Answer

Hanano Yosei is in Atami, Shizuoka, 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 Hanano Yosei appear in?

Accepted Answer

Hanano Yosei appears in EP5 of Wash It All Away.

Question 3

Can I visit Hanano Yosei?

Accepted Answer

Yes. Hanano Yosei 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 Hanano Yosei is one of those real places (EP5).