The father clearly raised his daughter - Dad is the main thing. You could always find support and encouragement from him. And to suck his cock is just a thank-you for having him. By pulling her on his cock, her father showed how much he trusts her and that secret will be with them now. And the chick did a great job - and daddy is happy and she's even closer to him now.
The housekeeper is so brazen, because she is sure that she will get it all down. And even if she gets it in her mouth, she won't be upset. So the negro put the blonde bitch in the cage, and then got her drunk on sperm - let her remember how to behave in the master's house.