Question 1

Where is Karaoke Kan Jiyugaoka?

Accepted Answer

Karaoke Kan Jiyugaoka is in Meguro, 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 does Karaoke Kan Jiyugaoka appear in?

Accepted Answer

Karaoke Kan Jiyugaoka appears in EP3 of Oshi no Ko.

Question 3

Can I visit Karaoke Kan Jiyugaoka?

Accepted Answer

Yes. Karaoke Kan Jiyugaoka 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 filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Karaoke Kan Jiyugaoka is one of those real places (EP3).