Question 1

Where is Harumi No. 3 Park?

Accepted Answer

Harumi No. 3 Park is in Chuo, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Apocalypse Hotel does Harumi No. 3 Park appear in?

Accepted Answer

Harumi No. 3 Park appears in EP4 of Apocalypse Hotel.

Question 3

Can I visit Harumi No. 3 Park?

Accepted Answer

Yes. Harumi No. 3 Park is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Apocalypse Hotel filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Harumi No. 3 Park is one of those real places (EP4).