Question 1

Where is Shichirigahama?

Accepted Answer

Shichirigahama is in Kamakura, Kanagawa, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Oblivion Battery does Shichirigahama appear in?

Accepted Answer

Shichirigahama is a real place that appears in Oblivion Battery.

Question 3

Can I visit Shichirigahama?

Accepted Answer

Yes. Shichirigahama 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 Shichirigahama is one of those real places.