Question 1

Where is Netsu Shoten?

Accepted Answer

Netsu Shoten is in Nagano, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Tsurune: Kazemai Koukou Kyuudoubu does Netsu Shoten appear in?

Accepted Answer

Netsu Shoten appears in EP1 of Tsurune: Kazemai Koukou Kyuudoubu.

Question 3

Can I visit Netsu Shoten?

Accepted Answer

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

Question 4

Where was Tsurune: Kazemai Koukou Kyuudoubu filmed?

Accepted Answer

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