Question 1

Where is Toyohashi City Underground Resources Center?

Accepted Answer

Toyohashi City Underground Resources Center is in Toyohashi, Aichi, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Makeine: Too Many Losing Heroines! does Toyohashi City Underground Resources Center appear in?

Accepted Answer

Toyohashi City Underground Resources Center appears in OP of Makeine: Too Many Losing Heroines!.

Question 3

Can I visit Toyohashi City Underground Resources Center?

Accepted Answer

Yes. Toyohashi City Underground Resources Center is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Makeine: Too Many Losing Heroines! filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Toyohashi City Underground Resources Center is one of those real places (OP).