User blog comment:B214/Question and Answers 4/@comment-4547267-20150109152904/@comment-24098614-20150110001836

Rias has agreed to the girls but I think that she draws the line if a girl actually has sex with him because that is a serious violation of her treaty with them because she gets first dibs on him, and breaking that oath is a serious issue the most that those girls can do is probably makeout or dates they can't do anything intimate or they are out of the Harem because she is the boss of the Harem, and these are her rules.