Your wife Nicole is a professor of anthropology who is supervising grad student Angel. Angel's particularly interested in the social characteristics of pre-Columbian societies, and lucky for her, Nicole's friend Agatha is a famous researcher in the field of sexual anthropology Sexual anthropology? Well, it's exactly what it sounds like. Survival and reproduction are the driving factors of any society, after all. Agatha has plenty of experience living with remote peoples, experiencing their lifestyles… and their mating practices Agatha’s surprised to hear Angel’s lacking experience in the field. No time like the present! The tops better come off first — women never wore those before Columbus. Next, a mating ritual! It's not clear how authentic this is, but with these three women worshiping your phallus, you're not about to ask for peer reviewed sources. Hell, you'll even cum inside Angel if it helps her with her thesis!