It's certainly easier for female students in terms of exams. It is not often that female teachers can take advantage of male students for the same purpose, but male teachers are not squeamish about it. Girls are good, they know what they want to achieve in life and pursue these goals, in spite of the bans and public opinion. I wondered if I should have chosen a different profession...
The most interesting thing is that such a video with a brother and sister will always, without exception, cause much more interest than if just lovers were filmed damn forbidden fruit. And the girl is good.