My first horny piss experience

With a man, my trainer, he was supposed to show me Pilates for fitness and a hot ass. Firstly, things turn out differently and secondly, he's very nice and also likeable, so I wanted to get involved in a sexual adventure, what does he do? Pisses all over my mouth, I was just shocked by so much brazenness, what shocked me even more was that I found it even more horny