I fully believe that these girls told you gentlemen that they were partially Japanese. What I’ve encountered is that there is a real pecking order among the various ethnicities when it comes to perceived quality. For example, spas in macau will charge more for Japanese girls than Korean who are more than mainland Chinese girls. Because of this, I’ve met plenty of Chinese girls who will say they have mixed heritage. Being a white man, they probably feel I won’t know the difference but having lived in Asia for so long, I can pick up the difference by asking a couple questions