Question 1

Where is Seishuu's house?

Accepted Answer

Seishuu's house is in Goto, Nagasaki Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Barakamon does Seishuu's house appear in?

Accepted Answer

Seishuu's house appears in EP1 of Barakamon.

Question 3

Can I visit Seishuu's house?

Accepted Answer

Yes. Seishuu's house is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Barakamon filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Seishuu's house is one of those real places (EP1).