So these chicks want our protagonist to take over a shrine and become a prist. He says he ain't interested. They propose a radical idea. How about he just impregnate them, and his kid can take over the shrine when he grows up! Why of course!
A popular girl in school has a problem. She needs sperm to survive. And she's ready to fuck every dude in her class to get her fix. Of course, we can't let her starve to death now can we guys?