The guy had a lot of fun, she was gorgeous and very passionate about sex. As they say in our well-known proverb: "If you treat me like a human being, then you should treat me with all your heart! Except that when he fucked her in the mouth with a big black cock it was a little difficult, but otherwise - it was only for fun!
The guy's imagination is not taken away. Waited for the girls to watch a horror movie and then came over and fucked each one in turn. When you wake up and see a mask, you involuntarily increase your state of fear. And this adds a twist to sex, more hormones are released, including adrenaline. it is possible that such tricks he and his sister and girlfriend will do regularly.
Who needs sex?