Question 1

Where is s. r-trois?

Accepted Answer

s. r-trois is in Takaoka, Toyama, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Oomuro-ke: Dear Sisters does s. r-trois appear in?

Accepted Answer

s. r-trois is a real place that appears in Oomuro-ke: Dear Sisters.

Question 3

Can I visit s. r-trois?

Accepted Answer

Yes. s. r-trois is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Oomuro-ke: Dear Sisters filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and s. r-trois is one of those real places.