Question 1

Where is Seishin Kindergarten?

Accepted Answer

Seishin Kindergarten is in Kashihara, Nara, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Beyond the Boundary does Seishin Kindergarten appear in?

Accepted Answer

Seishin Kindergarten appears in EP6 of Beyond the Boundary.

Question 3

Can I visit Seishin Kindergarten?

Accepted Answer

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

Question 4

Where was Beyond the Boundary filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Seishin Kindergarten is one of those real places (EP6).