If you miss the Maze Runner, Divergent, and the Hunger Games, this is the right story for you ! Twins Risa and Ramos are eagerly awaiting the day they turn eighteen to finally take the infamous Genesis Trial: a mandatory test that grants abilities that determine their role and status within society. However, things aren't always what they seem. On the day of the trial, a series of unexpected events unfold that will change their lives forever-for better or for worse.

Nightingale is human - or would be, had it not been for the manner of her creation. Genetically engineered and grown to adulthood in a lab, she was created, not born. Why? For the sole purpose of the entertainment of rich men as one of the many Inamoratas in the bordello business . Beautiful, elegant, a superb dancer and an even better singer, she is the perfect lover for any man. Perfect, that is, except for her personality - the one thing you can't engineer.