Question 1

Where is Naka-ikebukuro Park?

Accepted Answer

Naka-ikebukuro Park is in Toshima, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of My Dress-Up Darling does Naka-ikebukuro Park appear in?

Accepted Answer

Naka-ikebukuro Park appears in OP of My Dress-Up Darling.

Question 3

Can I visit Naka-ikebukuro Park?

Accepted Answer

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

Question 4

Where was My Dress-Up Darling filmed?

Accepted Answer

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