Question 1

Where is Otsuki Nursery?

Accepted Answer

Otsuki Nursery is in Otsuki, Yamanashi, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Heavenly Delusion does Otsuki Nursery appear in?

Accepted Answer

Otsuki Nursery appears in EP1 of Heavenly Delusion.

Question 3

Can I visit Otsuki Nursery?

Accepted Answer

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

Question 4

Where was Heavenly Delusion filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Otsuki Nursery is one of those real places (EP1).