Well....if she reproduces fast enough, maybe she'll make more resilliant men that can satify her for longer?
Or let the moon rabbit(s) breed with them first, than Ran gets them....to keep a stable population of course.
Ahh, the glorious implications of your first comment. Talk about Anything That Moves
Second is the most plausible, assuming those future men become more resilient. Come to think of it, this might be a good thing in the long run. Humanity- no, all facets of sapient Earth life lowkey evolve faster over time.