Question 1

Where is Rock Object?

Accepted Answer

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

Question 2

Which scene of Oblivion Battery does Rock Object appear in?

Accepted Answer

Rock Object is a real place that appears in Oblivion Battery.

Question 3

Can I visit Rock Object?

Accepted Answer

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

Question 4

Where was Oblivion Battery filmed?

Accepted Answer

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