>>31808069I found this in the archives, I figure I post this here too:
Pheromosa has learned to desire white men and only white men because of how clean they are. She enjoys pleasuring them with her massive tits, knowing the more she pleases them, the more likely they are to breed with her.
Here's my idea as an alternative/continuation:
Pheromosa has grown addicted to her master's large white cock. She makes it her personal duty to clean it up since she loves to worship it. After her amazing 'cleanup' of his white rod, her master thanks her by breeding her with his sperm