The couple had sex with mutual attraction, so there's really something to see here. It's not a tender relationship, but a passionate one. The guy fucked his pretty brunette sister in different positions, twirling her legs and ass in the process. He did not forget about the male pleasure - there was a blowjob, and after sex he cum on his sister's face, on her heated and young skin.
While the blond was polishing his prick, he was actively threading her asshole - he did not leave her anus alone for a second, kept rubbing it, and checking its permeability with his finger. In the end he got what he wanted!