Well, half-brothers and half-sisters are not related at all, so it can't be considered something bad or immoral. It's no surprise that an adult guy and girl, with no regular sexual partners and almost daily being around each other, suddenly felt attracted on a sexual level to each other. Considering that the girl liked it (the guy then no question), I think they will continue to practice this kind of thing from time to time.
The lady is great, her ass and legs look very appetizing! True, her ass was covered with pimples, but with such shapes of course we can stand it, and if you add to this the fact that the lady easily swallows a very large cock of the Negro at the root, then you will not notice any faults in the lady! The lady obviously loves anal, but even she has a hard time when a black man drives his prick into her anus up to the root. And somewhere just a half of it - she gets all over it.
Write down the address!!!