Oops, he ripped my jeans shorts to stretch me with his cock! Tight pussy babe riding cowgirl bounce

we were sitting at home with my step sister, I wanted some tea and called my grandmother, but it turned out that she was not at home, we were alone with my sister, she asked me to help her and see what was wrong with her shorts, she turned around, got on all fours and I saw that her shorts were torn and pieces of her ass and pussy were visible through them, I could not resist and tore them even more to look and finger her there. I tore them, saw how juicy she was and poured lubricant on her holes, and began to insert my fingers, she was very happy about this and wanted to suck me off, she sucked very well and then we began to fuck with great pleasure, at first I was behind her and then she climbed on me and sat on my dick, her pussy was so tight that I came