Question 1

Where is Tokyo Dome?

Accepted Answer

Tokyo Dome is in Bunkyō, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Tamon's B-Side does Tokyo Dome appear in?

Accepted Answer

Tokyo Dome appears in EP1 of Tamon's B-Side.

Question 3

Can I visit Tokyo Dome?

Accepted Answer

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

Question 4

Where was Tamon's B-Side filmed?

Accepted Answer

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