Question 1

Where is Sanrio Gift Gate?

Accepted Answer

Sanrio Gift Gate 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 Saekano: How to Raise a Boring Girlfriend .flat does Sanrio Gift Gate appear in?

Accepted Answer

Sanrio Gift Gate appears in EP2 of Saekano: How to Raise a Boring Girlfriend .flat.

Question 3

Can I visit Sanrio Gift Gate?

Accepted Answer

Yes. Sanrio Gift Gate is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Saekano: How to Raise a Boring Girlfriend .flat filmed?

Accepted Answer

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