Question 1

Where is Otomeko Park?

Accepted Answer

You can see the exact position of Otomeko Park from the map coordinates and the Street View link.

Question 2

Which scene of Waiting in the Summer does Otomeko Park appear in?

Accepted Answer

Otomeko Park appears in OP1 of Waiting in the Summer.

Question 3

Can I visit Otomeko Park?

Accepted Answer

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

Question 4

Where was Waiting in the Summer filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Otomeko Park is one of those real places (OP1).