She loves the nastiness of it all. That "thumbs up" 3/4 of the way through isn't for her guy, its for us... the perverts watching. The way she turns and keeps in frame at the end while she opens wide. She knows and loves what she's doing.
There's plenty of videos of white guys fucking asian sluts on here but the difference is this guy actually has a huge thick white cock and he pounds the shit out of these asian whores, it even hurts them but they love the feel and taste of big white cocks too much