In a world where 90% of the male population died due to a plague, it is the females that suffer a worse fate. The plague altered their DNA to the point that they could not survive for long without what became known as "the White"... semen. If that wasn't bad enough, the best quality, the most nourishing, came from those closest genetically, i.e. FAMILY. You can read a bunch of reader's comments over at Bookapy.
A young girl goes to New York to escape her father's attentions and gets herself deeper and deeper into the victim's position. First the Prof, then the Principal, then her girlfriend, then her brother, then her boyfriend contribute to her education. Never mind, in the end it all comes right.