She will give you a lucky number. Go to the Slot house and find the slot machine with your lucky number on it. Buy caramel and when she asks you to draw a ticket, wait until you see the A button blinking and count to 5. The closer you get to when Ryo draws the ticket himself the better prize you get. Works almost every time.
Timing is everything.
Then the mad angels won't attack you. You just keep repeating the same day over and over until you get tired of it, but the good thing about it is that you get a raise everyday. Just make sure you have 8 crates in by 5.