Question 1

Where is Kasaneiwa?

Accepted Answer

Kasaneiwa is in Tonosho, Kagawa Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Teasing Master Takagi-san 3 does Kasaneiwa appear in?

Accepted Answer

Kasaneiwa is a real place that appears in Teasing Master Takagi-san 3.

Question 3

Can I visit Kasaneiwa?

Accepted Answer

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

Question 4

Where was Teasing Master Takagi-san 3 filmed?

Accepted Answer

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