i think of this how the intro sudenly nero goes an visit dante in his shop and they begin to talk about the last time they met,in a moment a man enter in the shop saying he has a job for the two he explains the job and they take the job and went they are leaving the man says happy birthday brother and then dante turned back and suddebly the man dissapears....after dante and nero depart to the place of the job..nero ask dante who was that man and dante said he was my brother
