Question 1

Where is Shima Blue?

Accepted Answer

Shima Blue is in Nakanojō, Gunma, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Botan Kamiina Fully Blossoms When Drunk does Shima Blue appear in?

Accepted Answer

Shima Blue appears in EP9 of Botan Kamiina Fully Blossoms When Drunk.

Question 3

Can I visit Shima Blue?

Accepted Answer

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

Question 4

Where was Botan Kamiina Fully Blossoms When Drunk filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Shima Blue is one of those real places (EP9).