Question 1

Where is hairsalon de Forever?

Accepted Answer

hairsalon de Forever is in Itabashi, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Jujutsu Kaisen 3 The Culling Game does hairsalon de Forever appear in?

Accepted Answer

hairsalon de Forever appears in EP7 of Jujutsu Kaisen 3 The Culling Game.

Question 3

Can I visit hairsalon de Forever?

Accepted Answer

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

Question 4

Where was Jujutsu Kaisen 3 The Culling Game filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and hairsalon de Forever is one of those real places (EP7).