(not a werewolf book but one of my absolute favourite supernatural reads)

Project X by _salacious

Book 1 of 3 [ C O M P L E T E D ]

Aliens invaded Earth, but they come in peace. They just want one thing; land. A place to inhabit and be able to return to their glorious reign. Slowly, their women start dying of an incurable disease and in order to keep their generations flourishing, they need females.

So they decide to take Earth women as their own.