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.
After discovering a dark family curse, the three Laenas siblings' lives are forever changed as they try to start a new life for themselves, but they must learn to control their family curse or be completely consumed by it, leading them down a road of incest, lust, and desire.
Her uncle and his girlfriend teach her about Sapphic love and light bondange with a bit of spanking. Being only 3 years older, her uncle was "more like my big brother growing up."