Which branch of Christianity?

lol, you are funny. It's not a matter of what denomination, but it's a matter of whether you get born again or not. There is an invisible body of Christ which is visible to God. Those who are truly in the Kingdom of God are in the body of Christ. This means that if you are not born again, you are not a true Christian and not in the Kingdom of God. If you go into a church pretending to be a Christian, the true believers will have the discernment to see this. The important thing is to be a true believer in Christ, and then man made rules will not apply. This way you live by the grace of God and only do what the Holy Spirit tells you to do. Don't be a fake; be real! Go to a revival. This will help you get saved.