Question 1

Where is Keio Arena Tokyo?

Accepted Answer

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

Question 2

Which scene of Bocchi The Rock! does Keio Arena Tokyo appear in?

Accepted Answer

Keio Arena Tokyo is a real place that appears in Bocchi The Rock!.

Question 3

Can I visit Keio Arena Tokyo?

Accepted Answer

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

Question 4

Where was Bocchi The Rock! filmed?

Accepted Answer

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