Hookers. This guy spends a lot on them to sit on his face, he's got at least a few dozen of these videos and they all look disinterested in what he's doing. Not one of the women gets off on it, leading me to believe they're paid.
Older white men love a brown ass swallowing their white faces. Everyone knows Latinas love to facesit white men, but Asians love to facesit white men, too. Older white guys are the best to facesit. They consider themselves blessed to be under a brown woman.