How many players is this game intended for?
Notorious Style is intended for a single person to play.
If you are looking for a game that is geared towards group play, I recommend looking at Five Fires by Thoughtcrime Games: https://thoughtcrimegames.itch.io/five-fires
Here is a collection listing TTRPGs about graffiti:
https://itch.io/c/3144964/graffiti-rpgs
If a solo game is not what you want, but you 'd like to try to adapt it for group play, please take a community copy and see if you can adapt it (and if you do, please reach out, I'd love to know how it went)