Question 1

Where is Hachiko Square?

Accepted Answer

Hachiko Square is in Shibuya, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of The Dangers in My Heart Season 2 does Hachiko Square appear in?

Accepted Answer

Hachiko Square appears in OP of The Dangers in My Heart Season 2.

Question 3

Can I visit Hachiko Square?

Accepted Answer

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

Question 4

Where was The Dangers in My Heart Season 2 filmed?

Accepted Answer

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