Question 1

Where is Ahiru Beer Hall?

Accepted Answer

Ahiru Beer Hall is in Musashino, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Botan Kamiina Fully Blossoms When Drunk does Ahiru Beer Hall appear in?

Accepted Answer

Ahiru Beer Hall appears in EP5 of Botan Kamiina Fully Blossoms When Drunk.

Question 3

Can I visit Ahiru Beer Hall?

Accepted Answer

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

Question 4

Where was Botan Kamiina Fully Blossoms When Drunk filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Ahiru Beer Hall is one of those real places (EP5).