Question 1

Where is Takenoko?

Accepted Answer

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

Question 2

Which scene of Otaku Elf does Takenoko appear in?

Accepted Answer

Takenoko is a real place that appears in Otaku Elf.

Question 3

Can I visit Takenoko?

Accepted Answer

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

Question 4

Where was Otaku Elf filmed?

Accepted Answer

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