As a virgin, I have my older sister practice sex the day before my first date with my girlfriend. Of course, she wasn't supposed to insert it, but the older sister was excited by the feeling of pleasure from the dry sex and ended up inserting her dick in...

My virgin brother is about to go on a first date with his girlfriend tomorrow. Her fantasies grow, and if she ends up having sex and doesn't work out, she will make fun of her if she doesn't do well, and she talks about her. I managed to get my sister, who was not interested in it at first, and use it as a training tool for sex...