This brunette is very bright and liberated, and it's a pleasure to have sex with these kinds of girls. The fact that she has developed her anus like that and then moves it on her own at a brisk pace is rare at all. If she moans sweetly, it means that she gets a high from it, and not just does the job.
Loved is not the word, he properly fucked his little sister, the poor thing could barely catch the air with her mouth, that is what is called, as it should be fucked, well done guy, keep it up.