I know this is an old post but yeah…there aren’t really any large studies about adult-child sex that was felt to be wanted by the child. The closest one I think of is Theo Sandfort’s study which was very small. Pretty much all studies are about unwanted sex because studying the other is very academically risky. So when people are referring to negative effects of child-adult sex, they’re almost certainly going to cite a study about molestation, which most pro-c people DON’T want to legalize.