Question 1

Where is Ryusei Yagura?

Accepted Answer

Ryusei Yagura is in Chichibu, Saitama Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Anohana: The Flower We Saw That Day does Ryusei Yagura appear in?

Accepted Answer

Ryusei Yagura appears in EP10 of Anohana: The Flower We Saw That Day.

Question 3

Can I visit Ryusei Yagura?

Accepted Answer

Yes. Ryusei Yagura is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Anohana: The Flower We Saw That Day filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Ryusei Yagura is one of those real places (EP10).