Either this half-sister is a slut or it's not the first time she's fucked her brother. Look how calmly she reacts to his appearance. And even though his dick isn't the healthiest, he's always around and she sucks it with pleasure. And judging from the video, the girl likes to be licked there. She even shudders when his tongue touches her clit. Yes, and with his fingers he helps her catch up before he comes inside her. It's nice to live with such an available sister!
At first I thought that the grandfather would die at the end of it, but it turned out to be the opposite: he fucked the poor girl and poured a bucket of sperm in her pussy as well. Of course practically all the work the girl did by herself, but grandpa was also on top of it: at that age many of them can't get a hard-on at all. The girl sucks amazingly: swallows the whole cock without a problem, I would fuck her myself!
That's nice.)