Question 1

Where is Ichigaya Fish Center?

Accepted Answer

Ichigaya Fish Center is in Shinjuku, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Oshi no Ko Season 3 does Ichigaya Fish Center appear in?

Accepted Answer

Ichigaya Fish Center appears in EP1 of Oshi no Ko Season 3.

Question 3

Can I visit Ichigaya Fish Center?

Accepted Answer

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

Question 4

Where was Oshi no Ko Season 3 filmed?

Accepted Answer

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