Question 1

Where is Hitotsugi Park?

Accepted Answer

Hitotsugi Park is in Minato, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Oshi no Ko Season 3 does Hitotsugi Park appear in?

Accepted Answer

Hitotsugi Park appears in EP2 of Oshi no Ko Season 3.

Question 3

Can I visit Hitotsugi Park?

Accepted Answer

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

Question 4

Where was Oshi no Ko Season 3 filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Hitotsugi Park is one of those real places (EP2).