Question 1

Where is Hotel Cadenza Tokyo?

Accepted Answer

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

Question 2

Which scene of Tougen Anki does Hotel Cadenza Tokyo appear in?

Accepted Answer

Hotel Cadenza Tokyo appears in EP13 of Tougen Anki.

Question 3

Can I visit Hotel Cadenza Tokyo?

Accepted Answer

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

Question 4

Where was Tougen Anki filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Hotel Cadenza Tokyo is one of those real places (EP13).