This may not be the case but It kind of sounds like you're trying to game the system by probably paying some girl to marry you to make this thing happen. From life experience in general I'd say if that's the case you are really setting yourself up for a lot of problems. Brazil is so complicated already that trying to circumvent the law is never a good idea. It's really hard to sneak through a system that is often run by crooks, they know all the games! Just saying...