Reimu backed away slowly, suddenly not worried about offending the pair with her reluctance.  "I- I don't have anything I can give up.  I don't have any money, and the food and water in my bags is all I have left for supplies," she said.  Hopefully the two would leave her alone if they found out she had nothing to offer them but dried food.  At least she had thought to leave some of her food back at camp, in case something like this happened....