The guy knows his stuff - he slowly and methodically fucks her in the anus! And he doesn't care how swollen her labia are and how she caresses them with her fingers. I think the woman just needed a penis in her vagina, or alternatively double penetration with the phaloimitra. And who said the woman even reached orgasm? I only saw the guy come down her anus and that's it!
The daughter has no complexes, she seduced her father and the process began. Her daughter already had all the working holes, so she already had enough experience. The father seemed to have had an epiphany.