There are characters from pretty much every anime, everywhere. You look around to see Goku, Naruto, Tanjiro, Unfortunately cat maids…. Just ignore them, there is pretty much everyone, there are even restaurants, the most popular one seems to be run by a blonde guy with funny curly eyebrows, he seems to only talk to girls though, they call him Sanji. There is even a battlefield where characters go to battle even Pokémon battles. Go ahead and explore as a character of choice or even your OC